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Daikin FXDQ25NVE [173/218] M8 malfunction of transmission between optional controllers for centralized control
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Troubleshooting by Indication on the Centralized Remote Controller SiBE39-402
164 Troubleshooting
5.3 “M8” Malfunction of Transmission between Optional
Controllers for Centralized Control
Remote
Controller
Display
M8
Applicable
Models
Centralized remote controller
Method of
Malfunction
Detection
Malfunction
Decision
Conditions
Supposed
Causes
! Malfunction of transmission between optional controllers for centralized control
! Defect of PC board of optional controllers for centralized control
Troubleshooting
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
(V2833)
Is
transmission wiring
disconnected or wired
incorrectly?
The PC board of one of the
optional controllers for centralized
control is defective. Try turning
on/off using each optional
controllers for centralized control,
and replace the PC board of the
one that is unable to control the
indoor unit.
NO
NO
Fix the wiring correctly.
YES
YES
Has a once
connected optional
controller for centralized
control been disconnected
or its address
changed?
Turn on power supply for
all
optional controllers for centralized
control.
Reset power supply simultaneously
for all optional controllers for
centralized control.
YES
NO
Is the
power supply
turned on for all optional
controllers for
centralized
control?
Set reset switch to "normal."
YES
NO
Is the
reset switch of all
optional controllers for
centralized control set
to ''normal?''
Содержание
- Capacity range 2
- Functional parts layout 2 2
- Introduction v 2 safety cautions v 2
- List of electrical and functional parts 4 2
- Model names of indoor outdoor units 2 external appearance 2
- Operation mode 4 2 basic control 5 2
- Part 1 general information 2
- Part 2 specifications 2
- Part 3 list of electrical and functional parts 3 2
- Part 4 refrigerant circuit 9 2
- Part 5 function 3 2
- Protection control 7 2
- R410a heat pump 50hz 2
- Refrigerant circuit 0 2
- Special control 9 2
- Specifications 2
- List of malfunction code 02 3 malfunction code indication by outdoor unit pcb 04 4 troubleshooting by indication on the remote controller 06 3
- Other control 1 3
- Outdoor unit pc board layout 4 3 field setting 5 3
- Outline of control indoor unit 2 3
- Part 6 test operation 9 3
- Part 7 troubleshooting 3 3
- Test operation 0 3
- Troubleshooting by remote controller 5 3
- Troubleshooting by indication on the centralized remote controller 62 4
- Check 81 5
- Drawings flow charts iii 5
- Index i 5
- Part 8 appendix 83 5
- Part 9 precautions for new refrigerant r410a 95 5
- Piping diagrams 84 5
- Precautions for new refrigerant r410a 96 5
- Thermistor resistance temperature characteristics 92 4 pressure sensor 94 5
- Troubleshooting by indication on the unified on off controller 68 5
- Troubleshooting op schedule timer 74 5
- Wiring diagrams for reference 87 5
- Caution in repair 6
- Introduction 6
- Safety cautions 6
- Warning 6
- Caution 7
- Cautions regarding products after repair 7
- Warning 7
- Caution 8
- Inspection after repair 8
- Warning 8
- Caution 9
- Icons are used to attract the attention of the reader to specific information the meaning of each icon is described in the table below 9
- Using icons 9
- Using icons list 9
- Capacity range 10
- Indoor units 10
- Model names of indoor outdoor units 2 external appearance 10
- Part 1 general information 10
- Indoor units 11
- Model names of indoor outdoor units 11
- Outdoor units inverter series 11
- Power supply symbol 11
- V1 1 φ 220 240v 50hz ve 1 φ 220 240v 50hz 1 φ 220v 60hz v3 1 φ 230v 50hz 11
- External appearance 12
- Indoor units 12
- Capacity range 13
- Capacity range sibe39 402 13
- General information 13
- Indoor units 13
- Outdoor units 13
- Part 2 specifications 14
- Specifications 14
- Outdoor units 15
- Specifications 15
- Specifications sibe39 402 15
- Sibe39 402 specifications 16
- Specifications 7 16
- Ceiling mounted cassette type multi flow 600 600 17
- Indoor units 17
- Ceiling mounted cassette type multi flow 600 600 18
- Sibe39 402 specifications 18
- Specifications 9 18
- Ceiling mounted cassette corner type 19
- Specifications 19
- Specifications sibe39 402 19
- Sibe39 402 specifications 20
- Slim ceiling mounted built in type 20
- Specifications 11 20
- Slim ceiling mounted built in type 21
- Specifications 21
- Specifications sibe39 402 21
- Ceiling mounted duct type 22
- Sibe39 402 specifications 22
- Specifications 13 22
- Ceiling mounted duct type 23
- Specifications 23
- Specifications sibe39 402 23
- Ceiling suspended type 24
- Sibe39 402 specifications 24
- Specifications 15 24
- Specifications 25
- Specifications sibe39 402 25
- Wall mounted type 25
- Sibe39 402 specifications 26
- Specifications 17 26
- Wall mounted type 26
- Floor standing type 27
- Specifications 27
- Specifications sibe39 402 27
- Floor standing type 28
- Sibe39 402 specifications 28
- Specifications 19 28
- Concealed floor standing type 29
- Specifications 29
- Specifications sibe39 402 29
- Concealed floor standing type 30
- Sibe39 402 specifications 30
- Specifications 21 30
- List of electrical and functional parts 4 32
- Part 3 list of electrical and functional parts 32
- List of electrical and functional parts 33
- Outdoor unit 33
- Indoor unit 34
- List of electrical and functional parts 25 34
- Sibe39 402 list of electrical and functional parts 34
- List of electrical and functional parts 35
- List of electrical and functional parts sibe39 402 35
- List of electrical and functional parts 27 36
- Sibe39 402 list of electrical and functional parts 36
- Functional parts layout 2 38
- Part 4 refrigerant circuit 38
- Refrigerant circuit 0 38
- Refrigerant circuit 39
- Refrigerant circuit sibe39 402 39
- Rxysq4 5 6m 39
- Refrigerant circuit 31 40
- Sibe39 402 refrigerant circuit 40
- Birds eye view 41
- Functional parts layout 41
- Functional parts layout sibe39 402 41
- Refrigerant circuit 41
- Rxysq4 5 6m 41
- Function 42
- Operation mode 4 2 basic control 5 42
- Other control 1 42
- Outline of control indoor unit 2 42
- Part 5 42
- Protection control 7 42
- Special control 9 42
- Function 43
- Operation mode 43
- Operation mode sibe39 402 43
- Basic control 44
- H heating operation is not functional at an outdoor air temperature of 30 cdb or more 44
- Normal operation 44
- Compressor pi control 45
- Carries out the electronic expansion valve y1e pi control to maintain the evaporator outlet superheated degree sh at constant during heating operation to make maximum use of the outdoor unit heat exchanger evaporator 46
- Electronic expansion valve pi control 46
- Main electronic expansion valve ev1 control 46
- Makes pi control of the electronic expansion valve y2e to keep the superheated degree 46
- Of the outlet gas pipe on the evaporator side for the full use of the subcooling heat exchanger 46
- Subcooling electronic expansion valve ev2 control 46
- The optimum initial value of the evaporator outlet superheated degree is 5 c but varies depending on the discharge pipe superheated degree of inverter compressor 46
- Basic control sibe39 402 47
- Cooling operation fan control 47
- F a n s tep s 47
- Function 47
- In cooling operation with low outdoor air temperature this control is used to provide the adequate amount of circulation air with liquid pressure secured by high pressure control using outdoor unit fan 47
- Pc hp pre ssu re s en s or detection v a l u e 47
- Reference 47
- On activation following control is performed to lighten load of the compressor by back liquid and the like also the position of the four way valve is defined 48
- Special control 48
- Startup control 48
- Startup control in cooling operation 48
- Startup control in heating operation h p model only 48
- Conditions to start the cooling oil returning operation is started referring following conditions integrated amount of displaced oil timer after the power is turned on integrated operating time is 2 hours and subsequently every 8 hours in addition integrated amount of displaced oil is derived from tc te and the compressor load 49
- Oil flown from the compressor to the side of system is collected by oil returning operation in case of that oil in the compressor runs down 49
- Oil return operation 49
- Oil return operation in cooling operation 49
- Conditions to start the heating oil returning operation is started referring following conditions integrated amount of displaced oil timer after the power is turned on integrated operating time is 2 hours and subsequently every 8 hours in addition integrated amount of displaced oil is derived from tc te and the compressor load 50
- From the preparing oil returning operation to the oil returning operation and from the oil returning operation to the operation after oil returning the compressor stops for 1 minute to reduce noise on changing of the four way valve 50
- Oil return operation in heating operation 50
- Defrosting operation 51
- From the preparing operation to the defrost operation and from the defrost operation to the operation after defrost the compressor stops for 1 minute to reduce noise on changing of the four way valve 51
- The defrost operation is performed to solve frost on the outdoor unit heat exchanger when heating and the heating capacity is recovered conditions to start the defrost operation is started referring following conditions outdoor heat exchanger heat transfer co efficiency temperature of heat exchange tb timer 2 hours at the minimum in addition outdoor heat exchange co efficiency is derived from tc te and the compressor load 51
- Pump down residual operation 52
- Pump down residual operation in cooling operation 52
- Pump down residual operation in heating operation 52
- When activating compressor if the liquid refrigerant remains in the heat exchanger the liquid enters into the compressor and dilutes oil therein resulting in decrease of lubricity therefore the pump down residual operation is performed to collect the refrigerant in the heat exchanger when the compressor is down 52
- Restart is stood by force to prevent frequent power on off and to equalize pressure in the refrigerant system 53
- Restart standby 53
- Operation of the actuator when the system is down is cleared up 54
- Stopping operation 54
- When system is in stop mode 54
- Before activating the compressor the activation load is lightened by equalization across the compressor in addition inverters turn on electricity and capacitors are charged 55
- Pressure equalization prior to startup 55
- Function 47 56
- High pressure protection control 56
- In cooling operation 56
- In heating operation 56
- Protection control 56
- Sibe39 402 protection control 56
- This high pressure protection control is used to prevent the activation of protection devices due to abnormal increase of high pressure and to protect compressors against the transient increase of high pressure 56
- In cooling operation 57
- In heating operation 57
- Low pressure protection control 57
- S vp off s vp on 57
- This low pressure protection control is used to protect compressors against the transient decrease of low pressure 57
- Upper limit 1 s tep u p from c u rrent compre ss or fre qu ency 57
- Upper limit 124hz 57
- Upper limit 52hz 57
- Di s ch a rge pipe protection control not limited 58
- Discharge pipe protection control 58
- Inv compressor 58
- Keep the c u rrent s tep 58
- This discharge pipe protection control is used to protect the compressor internal temperature against a malfunction or transient increase of discharge pipe temperature 58
- Fin temp s t a nd b y 59
- Inverter current protection control and inverter fin temperature control are performed to prevent tripping due to a malfunction or transient inverter overcurrent and fin temperature increase 59
- Inverter fin temperature control 59
- Inverter overcurrent protection control 59
- Inverter protection control 59
- Limited 59
- Not limited 59
- Tfin 9 3 c 59
- Tfin 90 c contin u e s for 3 min 59
- Tfin 99 c 59
- When occ u rring 3 time s within 60 min the m a lf u nction code l4 i s o u tp u t 59
- Demand 1 setting 60
- Demand 2 setting 60
- Demand operation 60
- H other protection control functions have precedence over the above operation 60
- Heating operation is prohibited above 30 cdb outdoor air temperature 60
- Heating operation prohibition 60
- In order to save the power consumption the capacity of outdoor unit is saved with control forcibly by using demand 1 setting or demand 2 setting to operate the unit with this mode additional setting of continuous demand setting or external input by external control adaptor is required 60
- Other control 60
- 1 the objective of residual operation is to completely drain any moisture adhering to the fin of the indoor unit heat exchanger when the thermostat goes off during cooling operation 61
- Drain pump control 61
- Outline of control indoor unit 61
- The drain pump is controlled by the on off buttons 4 button 1 4 given in the figure below 61
- When the float switch is tripped during cooling off by thermostat 61
- When the float switch is tripped while the cooling thermostat is on 61
- During heating operation if the float switch is not reset even after the 5 minutes operation 5 seconds stop 5 minutes operation cycle ends operation continues until the switch is reset 62
- Function 53 62
- Note if the float switch is tripped five times in succession a drain malfunction is determined to have occurred af is then displayed as operation continues 62
- Sibe39 402 outline of control indoor unit 62
- When the float switch is tripped and af is displayed on the remote controller 62
- When the float switch is tripped during heating operation 62
- Function 63
- Louver control for preventing ceiling dirt 63
- Outline of control indoor unit sibe39 402 63
- P 3 p4 63
- P1 p2 p 3 p4 63
- P4 p 3 63
- P4 p4 p 3 p2 p1 p0 63
- P4 p4 p2 p1 p0 63
- The factory set position is standard position 63
- We have added a control feature that allows you to select the range of in which air direction can be adjusted in order to prevent the ceiling surrounding the air discharge outlet of ceiling mounted cassette type units from being soiled 63
- And assuming suction temperature has changed from 30 c to 18 c f a body thermostat sensor is used for temperatures from 30 c to 25 c f d remote controller thermostat sensor is used for temperatures from 25 c to 21 c d b body thermostat sensor is used for temperatures from 21 c to 18 c b a 64
- Cooling 64
- Ex when cooling assuming the preset temperature in the figure above is 24 c and the suction temperature has changed from 18 c to 30 c a f this example also assumes there are several other air conditioners the vrv system is off and that temperature changes even when the thermostat sensor is off body thermostat sensor is used for temperatures from 18 c to 23 c a c remote controller thermostat sensor is used for temperatures from 23 c to 27 c c e body thermostat sensor is used for temperatures from 27 c to 30 c e f 64
- Function 55 64
- If there is a significant difference in the preset temperature and the suction temperature fine adjustment control is carried out using a body thermostat sensor or using the sensor in the remote controller near the position of the user when the suction temperature is near the preset temperature 64
- Note when oa outdoor air is introduced to the air conditioner with mixed into indoor air the room temperature may fail to be preset temperature since ts and th1 do not enter the area of use range of remote control thermostat in such a case put the remote sensor optional accessory in your room and use it with setting do not use remote control thermostat 64
- Sibe39 402 outline of control indoor unit 64
- Temperature is controlled by both the thermostat sensor in remote controller and air suction thermostat in the indoor unit this is however limited to when the field setting for the thermostat sensor in remote controller is set to use 64
- Thermostat sensor in remote controller 64
- And assuming suction temperature has changed from 28 c to 18 c d a remote controller thermostat sensor is used for temperatures from 28 c to 23 c d b body thermostat sensor is used for temperatures from 23 c to 18 c b a 65
- Ex when heating assuming the preset temperature in the figure above is 24 c and the suction temperature has changed from 18 c to 28 c a d this example also assumes there are several other air conditioners the vrv system is off and that temperature changes even when the thermostat sensor is off body thermostat sensor is used for temperatures from 18 c to 25 c a c remote controller thermostat sensor is used for temperatures from 25 c to 28 c c d 65
- Function 65
- Heating 65
- Outline of control indoor unit sibe39 402 65
- When heating the hot air rises to the top of the room resulting in the temperature being lower near the floor where the occupants are when controlling by body thermostat sensor only the unit may therefore be turned off by the thermostat before the lower part of the room reaches the preset temperature the temperature can be controlled so the lower part of the room where the occupants are doesn t become cold by widening the range in which thermostat sensor in remote controller can be used so that suction temperature is higher than the preset temperature 65
- Conditions for starting freeze prevention temperature is 1 c or less for total of 40 min or temperature is 5 c or less for total of 10 min conditions for stopping freeze prevention temperature is 7 c or more for 10 min continuously 66
- Ex case where temperature is 5 c or less for total of 10 min 66
- Freeze prevention 66
- Freeze prevention by off cycle indoor unit 66
- Function 57 66
- Sibe39 402 outline of control indoor unit 66
- When the temperature detected by liquid pipe temperature thermistor r2t of the indoor unit heat exchanger drops too low the unit enters freeze prevention operation in accordance with the following conditions and is also set in accordance with the conditions given below 66
- Swing flaps work as following 67
- View of operations of swing flaps 67
- Outdoor unit pc board layout 4 3 field setting 5 68
- Part 6 test operation 68
- Test operation 0 68
- Check work prior to turn power supply on 69
- Procedure and outline 69
- Test operation 69
- Turn power on 69
- Check operation 70
- Confirmation on normal operation 71
- Be sure to push and hold the reset button for 5 seconds if not the addition cannot be recognized in this case the unit cannot be run for up to 12 minutes to automatically set the address indoor outdoor address etc status 72
- Operation when power is turned on 72
- Tap the reset bs5 button on the outdoor unit pc board operation becomes possible for about 2 minutes if you do not push the reset button the unit cannot be run for up to 10 minutes to automatically set master power status 72
- The unit cannot be run for up to 12 minutes to automatically set the master power and address indoor outdoor address etc status 72
- When an indoor unit or outdoor unit has been added or indoor or outdoor unit pc board has been changed 72
- When turning on power first time 72
- When turning on power the second time and subsequent 72
- Outdoor unit pc board 73
- Outdoor unit pc board layout 73
- Field setting 74
- Field setting from remote controller 74
- Mode no field s et mode 75
- S econd code no fir s t code no 75
- Wireless remote controller indoor unit 75
- Brc2a51 76
- Group no setting by simplified remote controller 76
- Simplified remote controller 76
- Field setting sibe39 402 77
- Notes 1 settings are made simultaneously for the entire group however if you select the mode no inside parentheses you can also set by each individual unit setting changes however cannot be checked except in the individual mode for those in parentheses 2 the mode numbers inside parentheses cannot be used by wireless remote controllers so they cannot be set individually setting changes also cannot be checked 3 marked are factory set 4 do not make settings other than those described above nothing is displayed for functions the indoor unit is not equipped with 5 88 may be displayed to indicate the remote controller is resetting when returning to the normal mode 6 if the setting mode to equipped heat reclaim ventilation fan conducts the fan residual operation by linking to indoor unit 77
- Setting contents and code no vrv unit 77
- Test operation 77
- Applicable range of field setting 78
- Fxdq n series static pressure selection 78
- Sibe39 402 field setting 78
- Test operation 69 78
- Auto restart after power failure reset 79
- Caution 1 the air conditioner starts operation suddenly after power failure reset or the main power supply turned on again consequently the user might be surprised with question for the reason why 79
- Detailed explanation of setting modes 79
- Fan speed changeover when thermostat is off 79
- Filter sign setting 79
- In the service work for example turning off the main power switch during the unit is in operation and turning on the switch again after the work is completed start the unit operation the fan rotates 79
- Air flow adjustment ceiling height 80
- Air flow direction setting 80
- In the case of fxfq100 125 80
- In the case of fxfq25 80 80
- Make the following setting according to the ceiling height the setting position no is set to 01 at the factory in the case of fxaq fxhq 80
- Only the model fxkq has the function when only the front flow is used sets yes no of the swing flap operation of down flow 80
- Set the air flow direction of indoor units as given in the table below set when optional air outlet blocking pad has been installed the second code no is factory set to 01 80
- Setting of air flow direction adjustment 80
- Setting table 80
- Air flow rate switching at discharge grille for field air flow rate switching 81
- In the case of fxfq when the optional parts high performance filter oil guard filter etc is installed sets to change fan speed for securing air flow rate follow the instruction manual for the optional parts to enter the setting numbers 81
- Make the following air flow direction setting according to the respective purpose 81
- Only the model fxdq n has the function the second code no is factory set to 01 setting table 81
- Setting of air flow direction adjustment range 81
- Setting of static pressure selection 81
- Setting table 81
- Brc1a type 82
- Brc7c type 82
- Centralized control group no setting 82
- Caution when turning the power supply on the unit may often not accept any operation while 88 is displaying after all indications were displayed once for about 1 minute on the liquid crystal display this is not an operative fault 83
- Field setting sibe39 402 83
- Group no setting example 83
- Test operation 83
- V 3 170 83
- Contents of control modes 84
- Setting of operation control mode from remote controller local setting 84
- Do not select timer operation possible by remote controller if not using a remote controller operation by timer is impossible in this case 1 factory setting 85
- How to select operation mode 85
- Whether operation by remote controller will be possible or not for turning on off controlling temperature or setting operation mode is selected and decided by the operation mode given on the right edge of the table below 85
- 7 8 7 7 7 7 86
- Caution 86
- Field setting from outdoor unit 86
- Setting by dip switches 86
- Field setting sibe39 402 87
- Mode changing procedure 87
- Test operation 87
- There are the following three setting modes setting mode 1 h1p off initial status when normal also indicates during abnormal setting mode 2 h1p on used to modify the operating status and to set program addresses etc usually used in servicing the system monitor mode h1p blinks used to check the program made in setting mode 2 87
- A setting mode 1 88
- B s ettin g mode 2 89
- Capacity precedence setting if the capacity control is required the low noise control is automatically released by this setting during carrying out low noise operation and nighttime low noise operation 89
- Defrost changeover setting changes the temperature condition for defrost and sets to quick defrost or slow defrost 89
- Demand setting 1 changes target value of power consumption when demand control 1 is input 89
- Field setting sibe39 402 89
- Indoor unit forced fan h allows forced operation of indoor unit fan while unit is stopped h tap 89
- Indoor unit forced operation allows forced operation of indoor unit 89
- Night time low noise control ending setting sets ending time of nighttime low noise operation nighttime low noise setting is also required 89
- Night time low noise control starting setting sets starting time of nighttime low noise operation nighttime low noise setting is also required 89
- Night time low noise setting 89
- No setting item description 89
- Normal demand setting normally enables demand control 1 without external input effective to prevent a problem that circuit breaker of small capacity is shut down due to large load 89
- Refrigerant collection mode setting sets to refrigerant collection mode 89
- Sets automatic nighttime low noise operation in a simple way the operating time is based on starting set and ending set 89
- Te setting target evaporation temperature for cooling 9 tc setting target condensation temperature for heating 89
- Test operation 89
- 7 7 7 7 7 91
- 7 7 7 7 8 91
- 7 7 7 7 9 91
- 7 7 7 8 7 91
- 7 7 7 9 7 91
- 7 7 8 7 7 91
- 7 7 8 7 8 91
- 7 7 9 7 7 91
- 7 8 8 8 7 91
- 7 8 8 8 8 91
- 8 7 7 7 7 91
- 8 7 8 7 7 91
- 8 7 8 7 8 91
- 8 7 8 8 7 91
- C monitor mode 91
- H data such as addresses and number of units is expressed as binary numbers the two ways of expressing are as follows 91
- In the address is 000110 binary number which translates to 4 2 6 base 10 number in other words the address is 6 91
- Push the set button and match with the leds no 1 15 push the return button and enter the data for each setting 91
- Setting item 0 display contents of various settings 91
- The no 5 cool heat unified address is expressed as a binary number consisting of the lower 6 digits 0 63 91
- Cool heat mode switching 92
- Detail of setting mode 92
- It does not matter whether or not there is outdoor outdoor unit wiring set outdoor unit pc board ds1 1 to indoor factory set set cool heat switching to individual for setting mode 1 factory set 92
- Set cool heat separately for each outdoor system by indoor unit remote controller 92
- There are the following 2 cool heat switching modes set cool heat separately for each outdoor unit system by indoor unit remote controller set cool heat separately for each outdoor unit system by cool heat switching remote controller 92
- Field setting sibe39 402 93
- Indoor u nit indoor u nit c h s elect remote control 93
- It does not matter whether or not there is outdoor outdoor unit wiring set outdoor unit pc board ds1 1 to outdoor factory set set cool heat switching to individual for setting mode 1 factory set 93
- Set cool heat separately for each outdoor unit system by cool heat switching remote controller 93
- Test operation 93
- Setting of low noise operation 94
- Setting of low noise operation and demand operation 94
- Field setting sibe39 402 95
- Image of operation in the case of a 95
- Image of operation in the case of a b 95
- Image of operation in the case of b 95
- Test operation 95
- Setting of demand operation 96
- Field setting sibe39 402 97
- Image of operation in the case of a 97
- Image of operation in the case of a and b 97
- Image of operation in the case of b 97
- Test operation 97
- Detailed setting procedure of low noise operation and demand control 98
- Operation procedure in setting mode 2 with units in stop mode set b refrigerant recovery vacuuming mode to on the respective expansion valve of indoor and outdoor units are fully opened h2p turns to display test operation blinks test operation and in centralized control are displayed on the remote controller and the operation is prohibited collect the refrigerant using a refrigerant recovery unit see the instruction attached to the refrigerant recovery unit for more detal press mode button bs1 once and reset setting mode 2 99
- Setting of refrigerant recovery mode 99
- When carrying out the refrigerant collection on site fully open the respective expansion valve of indoor and outdoor units both the outdoor unit and the indoor unit are forbidden to operation 99
- Check operation 100
- Check operation function 100
- In order to perform vacuuming operation at site fully open the expansion valves of indoor and outdoor units to turn on some solenoid valves both the outdoor unit and the indoor unit are forbidden to operation 100
- Operating procedure with setting mode 2 while the unit stops set b refrigerant recovery vacuuming mode to on the expansion valves of indoor and outdoor units fully open and some of solenoid valves open h2p blinks to indicate the test operation and the remote controller displays test operation and in centralized control thus prohibiting operation after setting do not cancel setting mode 2 until completion of vacuuming operation use the vacuum pump to perform vacuuming operation press mode button bs1 once and reset setting mode 2 100
- Setting of vacuuming mode 100
- To prevent any trouble in the period of installation at site the system is provided with a test operation mode enabling check for incorrect wiring stop valve left in closed and judgment of piping length 100
- List of malfunction code 02 3 malfunction code indication by outdoor unit pcb 04 4 troubleshooting by indication on the remote controller 06 102
- Part 7 troubleshooting 102
- Troubleshooting by remote controller 5 102
- Check 81 103
- Troubleshooting by indication on the centralized remote controller 62 103
- Troubleshooting by indication on the unified on off controller 68 103
- Troubleshooting op schedule timer 74 103
- In s pection mode 104
- Loc a l s etting mode s ervice mode 104
- Norm a l mode 104
- Te s t oper a tion mode 104
- The following modes can be selected by using the button on the remote control 104
- The inspection test button 104
- Troubleshooting by remote controller 104
- Explanation 105
- If operation stops due to malfunction the remote controller s operation led blinks and malfunction code is displayed even if stop operation is carried out malfunction contents are displayed when the inspection mode is entered the malfunction code enables you to tell what kind of malfunction caused operation to stop 105
- Self diagnosis by wired remote controller 105
- Troubleshooting 105
- Troubleshooting by remote controller sibe39 402 105
- In the case of brc7c type 106
- Self diagnosis by wireless remote controller 106
- Up button down button 106
- Operation of the remote controller s inspection test operation button 108
- Sibe39 402 troubleshooting by remote controller 108
- Troubleshooting 99 108
- How to enter the service mode 109
- Remote controller service mode 109
- Select the mode no set the desired mode no with the button for wireless remote controller mode 43 only can be set 2 select the unit no for group control only select the indoor unit no to be set with the time mode for wireless remote controller button 3 make the settings required for each mode in case of mode 44 45 push button to be able to change setting before setting work lcd code blinks for details refer to the table in next page 4 define the setting contents modes 44 45 define by pushing the timer button after defining lcd code changes blinking to on 5 return to the normal operation mode push the button one time 109
- Service mode operation method 109
- You can take service data and make a service setting in the service mode with operating the button on the remote controller 109
- Address data 4 indoor unit address 5 outdoor unit address 6 bs unit address 7 zone control address 8 cool heat group address 9 demand low noise address 110
- Display of sensor and address data display various types of data select the data to be displayed with the button 110
- Forced fan on manually turn the fan on by each unit when you want to search for the unit no by selecting the unit no with the button you can turn the fan of each indoor unit on forced on individually 110
- Individual setting set the fan speed and air flow direction by each unit select the unit no with the time mode button set the fan speed with the button set the air flow direction with the button 110
- Malfunction hysteresis display display malfunction hysteresis the history no can be changed with the button 110
- Mode no function contents and operation method remote controller display example 110
- Sensor data 0 thermostat sensor in remote controller 1 suction 2 liquid pipe 3 gas pipe 110
- Sibe39 402 troubleshooting by remote controller 110
- Troubleshooting 101 110
- Unit no transfer transfer unit no select the unit no with the button set the unit no after transfer with the button 110
- List of malfunction code 111
- The system operates for malfunction codes indicated in black squares however be sure to check and repair 112
- Det a il de s cription on the right 113
- Malfunction code indication by outdoor unit pcb 113
- Malfunction code indication by outdoor unit pcb sibe39 402 113
- P us h the mode bu tton b s 1 a nd ret u rn s to s etting mode 1 113
- P us h the return bu tton b s3 a nd s witche s to the initi a l s t a t us of monitor mode 113
- P us h the return bu tton b s3 once to di s pl a y fir s t digit of m a lf u nction code 113
- P us h the s et bu tton b s 2 a nd s et the led di s pl a y to a s etting item 113
- P us h the s et bu tton b s 2 once to di s pl a y m as ter or s l a ve1 or s l a ve2 a nd m a lf u nction loc a tion 113
- P us h the s et bu tton b s 2 once to di s pl a y s econd digit of m a lf u nction code 113
- To enter the monitor mode p us h the mode bu tton b s 1 when in s etting mode 1 113
- Troubleshooting 113
- A0 indoor unit error of external protection device 115
- Actuation of external protection device improper field set defect of indoor unit pc board 115
- All indoor unit models 115
- Applicable models 115
- Malfunction decision conditions 115
- Method of malfunction detection 115
- Remote controller display 115
- Supposed causes 115
- Troubleshooting 115
- Troubleshooting by indication on the remote controller 115
- A1 indoor unit pc board defect 116
- All indoor unit models 116
- Applicable models 116
- Check data from e²prom 116
- Defect of indoor unit pc board 116
- Malfunction decision conditions 116
- Method of malfunction detection 116
- Remote controller display 116
- Sibe39 402 troubleshooting by indication on the remote controller 116
- Supposed causes 116
- Troubleshooting 116
- Troubleshooting 107 116
- When data could not be correctly received from the e²prom e²prom type of nonvolatile memory maintains memory contents even when the power supply is turned off 116
- A3 indoor unit malfunction of drain level control system 33h 117
- Applicable models 117
- Malfunction decision conditions 117
- Method of malfunction detection 117
- Remote controller display 117
- Supposed causes 117
- Caution be su re to t u rn off power s witch b efore connect or di s connect connector or p a rt s d a m a ge m a y b e occ u rred 118
- Sibe39 402 troubleshooting by indication on the remote controller 118
- Troubleshooting 118
- Troubleshooting 109 118
- A6 indoor unit fan motor m1f lock overload 119
- All indoor unit models 119
- Applicable models 119
- Detection by failure of signal for detecting number of turns to come from the fan motor 119
- Fan motor lock disconnected or faulty wiring between fan motor and pc board 119
- Malfunction decision conditions 119
- Method of malfunction detection 119
- Remote controller display 119
- Supposed causes 119
- Troubleshooting 119
- Troubleshooting by indication on the remote controller sibe39 402 119
- When number of turns can t be detected even when output voltage to the fan is maximum 119
- A7 indoor unit malfunction of swing flap motor ma 120
- Caution be su re to t u rn off power s witch b efore connect or di s connect connector or p a rt s d a m a ge m a y b e occ u rred 121
- Troubleshooting 121
- Troubleshooting by indication on the remote controller sibe39 402 121
- A9 indoor unit malfunction of moving part of electronic expansion valve 20e 122
- All indoor unit models 122
- Applicable models 122
- Malfunction decision conditions 122
- Malfunction of moving part of electronic expansion valve defect of indoor unit pc board defect of connecting cable 122
- Method of malfunction detection 122
- Remote controller display 122
- Sibe39 402 troubleshooting by indication on the remote controller 122
- Supposed causes 122
- Troubleshooting 122
- Troubleshooting 113 122
- 1 coil check method for the moving part of the electronic expansion valve discount the electronic expansion valve from the pc board and check the continuity between the connector pins 123
- Continuity no continuity 123
- Normal 123
- Af indoor unit drain level above limit 124
- All indoor unit models 124
- Applicable models 124
- Humidifier unit optional accessory leaking defect of drain pipe upward slope etc defect of indoor unit pc board 124
- Malfunction decision conditions 124
- Method of malfunction detection 124
- Remote controller display 124
- Sibe39 402 troubleshooting by indication on the remote controller 124
- Supposed causes 124
- Troubleshooting 124
- Troubleshooting 115 124
- Water leakage is detected based on float switch on off operation while the compressor is in non operation 124
- When the float switch changes from on to off while the compressor is in non operation 124
- Aj indoor unit malfunction of capacity determination device 125
- All indoor unit models 125
- Applicable models 125
- Capacity is determined according to resistance of the capacity setting adaptor and the memory inside the ic memory on the indoor unit pc board and whether the value is normal or abnormal is determined 125
- Malfunction decision conditions 125
- Method of malfunction detection 125
- Operation and 1 when the capacity code is not contained in the pc board s memory and the capacity setting adaptor is not connected 2 when a capacity that doesn t exist for that unit is set 125
- Remote controller display 125
- Supposed causes 125
- Troubleshooting 125
- Troubleshooting by indication on the remote controller sibe39 402 125
- You have forgotten to install the capacity setting adaptor defect of indoor unit pc board 125
- All indoor unit models 126
- Applicable models 126
- C4 indoor unit malfunction of thermistor r2t for heat exchanger 126
- Defect of thermistor r2t for liquid pipe defect of indoor unit pc board 126
- Malfunction decision conditions 126
- Malfunction detection is carried out by temperature detected by heat exchanger thermistor 126
- Method of malfunction detection 126
- Refer to thermistor resistance temperature characteristics table on p192 126
- Remote controller display 126
- Sibe39 402 troubleshooting by indication on the remote controller 126
- Supposed causes 126
- Troubleshooting 126
- Troubleshooting 117 126
- When the heat exchanger thermistor becomes disconnected or shorted while the unit is running 126
- All indoor unit models 127
- Applicable models 127
- C5 indoor unit malfunction of thermistor r3t for gas pipes 127
- Defect of indoor unit thermistor r3t for gas pipe defect of indoor unit pc board 127
- Malfunction decision conditions 127
- Malfunction detection is carried out by temperature detected by gas pipe thermistor 127
- Method of malfunction detection 127
- Refer to thermistor resistance temperature characteristics table on p192 127
- Remote controller display 127
- Supposed causes 127
- Troubleshooting 127
- Troubleshooting by indication on the remote controller sibe39 402 127
- When the gas pipe thermistor becomes disconnected or shorted while the unit is running 127
- Aii indoor unit models 128
- Applicable models 128
- C9 indoor unit malfunction of thermistor r1t for suction air 128
- Defect of indoor unit thermistor r1t for air inlet defect of indoor unit pc board 128
- Malfunction decision conditions 128
- Malfunction detection is carried out by temperature detected by suction air temperature thermistor 128
- Method of malfunction detection 128
- Refer to thermistor resistance temperature characteristics table on p192 128
- Remote controller display 128
- Sibe39 402 troubleshooting by indication on the remote controller 128
- Supposed causes 128
- Troubleshooting 128
- Troubleshooting 119 128
- When the suction air temperature thermistor becomes disconnected or shorted while the unit is running 128
- Aii indoor unit models 129
- Applicable models 129
- Ca indoor unit malfunction of thermistor for discharge air 129
- Defect of indoor unit thermistor for air outlet defect of indoor unit pc board 129
- Malfunction decision conditions 129
- Malfunction detection is carried out by temperature detected by discharge air temperature thermistor 129
- Method of malfunction detection 129
- Refer to thermistor resistance temperature characteristics table on p192 129
- Remote controller display 129
- Supposed causes 129
- Troubleshooting 129
- Troubleshooting by indication on the remote controller sibe39 402 129
- When the discharge air temperature thermistor becomes disconnected or shorted while the unit is running 129
- Aii indoor unit models 130
- Applicable models 130
- Cj indoor unit malfunction of thermostat sensor in remote controller 130
- Defect of remote controller thermistor defect of remote controller pc board 130
- Malfunction decision conditions 130
- Malfunction detection is carried out by temperature detected by remote controller air temperature thermistor note1 130
- Method of malfunction detection 130
- Note in case of remote controller thermistor malfunction unit is still operable by suction air thermistor on indoor unit 130
- Refer to thermistor resistance temperature characteristics table on p192 130
- Remote controller display 130
- Sibe39 402 troubleshooting by indication on the remote controller 130
- Supposed causes 130
- Troubleshooting 130
- Troubleshooting 121 130
- When the remote controller air temperature thermistor becomes disconnected or shorted while the unit is running 130
- Aii outdoor unit models 131
- Applicable models 131
- Check data from e²prom 131
- Defect of outdoor unit pc board a1p 131
- E1 outdoor unit pc board defect 131
- Malfunction decision conditions 131
- Method of malfunction detection 131
- Remote controller display 131
- Supposed causes 131
- Troubleshooting 131
- Troubleshooting by indication on the remote controller sibe39 402 131
- When data could not be correctly received from the e²prom e²prom type of nonvolatile memory maintains memory contents even when the power supply is turned off 131
- Abnormality is detected when the contact of the high pressure protection switch opens 132
- Actuation of outdoor unit high pressure switch defect of high pressure switch defect of outdoor unit pc board instantaneous power failure faulty high pressure sensor 132
- Aii outdoor unit models 132
- Applicable models 132
- E3 outdoor unit actuation of high pressure switch 132
- Error is generated when the hps activation count reaches the number specific to the operation mode 132
- H 1 actuation of high pressure switch hps is the outdoor unit heat exchanger dirty defect of outdoor fan is the refrigerant over charged faulty high pressure sensor 132
- Malfunction decision conditions 132
- Method of malfunction detection 132
- Remote controller display 132
- Sibe39 402 troubleshooting by indication on the remote controller 132
- Supposed causes 132
- Troubleshooting 132
- Troubleshooting 123 132
- 1 voltage measurement point 133
- 2 refer to pressure sensor pressure voltage characteristics table on p194 133
- Abnormal drop of low pressure defect of low pressure sensor defect of outdoor unit pc board stop valve is not opened 133
- Aii outdoor unit models 133
- Applicable models 133
- E4 outdoor unit actuation of low pressure switch 133
- Error is generated when the low pressure is dropped under specific pressure 133
- Malfunction decision conditions 133
- Method of malfunction detection 133
- Remote controller display 133
- Supposed causes 133
- Troubleshooting 133
- Troubleshooting by indication on the remote controller sibe39 402 133
- Aii outdoor unit models 134
- Applicable models 134
- Compressor lock high differential pressure 0 mpa or more incorrect uvwn wiring faulty inverter pc board stop valve is left in closed 134
- E5 compressor motor lock 134
- Inverter pc board takes the position signal from uvwn line connected between the inverter and compressor and detects the position signal pattern 134
- Malfunction decision conditions 134
- Method of malfunction detection 134
- Remote controller display 134
- Sibe39 402 troubleshooting by indication on the remote controller 134
- Supposed causes 134
- The position signal with 3 times cycle as imposed frequency is detected when compressor motor operates normally but 2 times cycle when compressor motor locks when the position signal in 2 times cycle is detected 134
- Troubleshooting 134
- Troubleshooting 125 134
- Aii outdoor unit models 135
- Applicable models 135
- E7 malfunction of outdoor unit fan motor 135
- Malfunction decision conditions 135
- Malfunction of fan motor system is detected according to the fan speed detected by hall ic when the fan motor runs 135
- Malfunction of fan motor the harness connector between fan motor and pc board is left in disconnected or faulty connector fan does not run due to foreign matters tangled clearing condition operate for 5 minutes normal 135
- Method of malfunction detection 135
- Remote controller display 135
- Supposed causes 135
- Troubleshooting 135
- Troubleshooting by indication on the remote controller sibe39 402 135
- When the fan runs with speed less than a specified one for 14 seconds or more when the fan motor running conditions are met when malfunction is generated 4 times the system shuts down 135
- Sibe39 402 troubleshooting by indication on the remote controller 136
- Troubleshooting 136
- Troubleshooting 127 136
- Aii outdoor unit models 137
- Applicable models 137
- Check disconnection of connector check continuity of expansion valve coil 137
- Defect of moving part of electronic expansion valve defect of outdoor unit pc board a1p 137
- E9 outdoor unit malfunction of moving part of electronic expansion valve 137
- Error is generated under no common power supply when the power is on 137
- Malfunction decision conditions 137
- Method of malfunction detection 137
- Remote controller display 137
- Supposed causes 137
- Troubleshooting 137
- Troubleshooting by indication on the remote controller sibe39 402 137
- 1 coil check method for the moving part of the electronic expansion valve disconnect the electronic expansion valve from the pc board and check the continuity between the connector pins 138
- Continuity approx 300 ω continuity approx 150 ω no continuity 138
- Normal 138
- Abnormality is detected according to the temperature detected by the discharge pipe temperature sensor 139
- Aii outdoor unit models 139
- Applicable models 139
- F3 outdoor unit abnormal discharge pipe temperature 139
- Faulty discharge pipe temperature faulty connection of discharge pipe thermistor faulty outdoor unit pcb 139
- Malfunction decision conditions 139
- Method of malfunction detection 139
- Refer to thermistor resistance temperature characteristics table on p192 139
- Remote controller display 139
- Supposed causes 139
- Troubleshooting 139
- Troubleshooting by indication on the remote controller sibe39 402 139
- When the discharge pipe temperature rises to an abnormally high level when the discharge pipe temperature rises suddenly 139
- Aii outdoor unit models 140
- Applicable models 140
- Defect of thermistor r1t for outdoor air defect of outdoor unit pc board a1p 140
- H9 outdoor unit malfunction of thermistor for outdoor air r1t 140
- Malfunction decision conditions 140
- Method of malfunction detection 140
- Refer to thermistor resistance temperature characteristics table on p192 140
- Remote controller display 140
- Sibe39 402 troubleshooting by indication on the remote controller 140
- Supposed causes 140
- The abnormal detection is based on current detected by current sensor 140
- The alarm indicator is displayed when the fan only is being used also 140
- Troubleshooting 140
- Troubleshooting 131 140
- When the outside air temperature sensor has short circuit or open circuit 140
- Aii outdoor unit models 141
- Applicable models 141
- Defect of thermistor r3t for outdoor unit discharge pipe defect of outdoor unit pc board a1p 141
- J3 outdoor unit malfunction of discharge pipe thermistor r3t 141
- Malfunction decision conditions 141
- Malfunction is detected from the temperature detected by discharge pipe temperature thermistor 141
- Method of malfunction detection 141
- Refer to thermistor resistance temperature characteristics table on p192 141
- Remote controller display 141
- Supposed causes 141
- Troubleshooting 141
- Troubleshooting by indication on the remote controller sibe39 402 141
- When a short circuit or an open circuit in the discharge pipe temperature thermistor is detected 141
- Aii outdoor unit models 142
- Applicable models 142
- Defect of thermistor r2t for outdoor unit suction pipe defect of outdoor unit pc board a1p 142
- J5 outdoor unit malfunction of thermistor r2t for suction pipe 142
- Malfunction decision conditions 142
- Malfunction is detected from the temperature detected by the suction pipe temperature thermistor 142
- Method of malfunction detection 142
- Refer to thermistor resistance temperature characteristics table on p192 142
- Remote controller display 142
- Sibe39 402 troubleshooting by indication on the remote controller 142
- Supposed causes 142
- Troubleshooting 142
- Troubleshooting 133 142
- When a short circuit or an open circuit in the suction pipe temperature thermistor is detected 142
- Aii outdoor unit models 143
- Applicable models 143
- Defect of thermistor r4t for outdoor unit heat exchanger defect of outdoor unit pc board a1p 143
- J6 outdoor unit malfunction of thermistor r4t for outdoor unit heat exchanger 143
- Malfunction decision conditions 143
- Malfunction is detected from the temperature detected by the heat exchanger thermistor 143
- Method of malfunction detection 143
- Refer to thermistor resistance temperature characteristics table on p192 143
- Remote controller display 143
- Supposed causes 143
- Troubleshooting 143
- Troubleshooting by indication on the remote controller sibe39 402 143
- When a short circuit or an open circuit in the heat exchange thermistor is detected 143
- Aii outdoor unit models 144
- Applicable models 144
- Faulty receiver gas pipe thermistor r5t faulty outdoor unit pc board 144
- J9 malfunction of receiver gas pipe thermistor r5t 144
- Malfunction decision conditions 144
- Malfunction is detected according to the temperature detected by receiver gas pipe thermistor subcooling heat exchanger gas pipe thermistor 144
- Method of malfunction detection 144
- Refer to thermistor resistance temperature characteristics table on p192 144
- Remote controller display 144
- Sibe39 402 troubleshooting by indication on the remote controller 144
- Supposed causes 144
- Troubleshooting 144
- Troubleshooting 135 144
- When the receiver gas pipe thermistor is short circuited or open 144
- 1 voltage measurement point 145
- 2 refer to pressure sensor pressure voltage characteristics table on p194 145
- Aii outdoor unit models 145
- Applicable models 145
- Defect of high pressure sensor connection of low pressure sensor with wrong connection defect of outdoor unit pc board 145
- Ja outdoor unit malfunction of high pressure sensor 145
- Malfunction decision conditions 145
- Malfunction is detected from the pressure detected by the high pressure sensor 145
- Method of malfunction detection 145
- Remote controller display 145
- Supposed causes 145
- Troubleshooting 145
- Troubleshooting by indication on the remote controller sibe39 402 145
- When the high pressure sensor is short circuit or open circuit 145
- 1 voltage measurement point 146
- 2 refer to pressure sensor pressure voltage characteristics table on p194 146
- Aii outdoor unit models 146
- Applicable models 146
- Defect of low pressure sensor connection of high pressure sensor with wrong connection defect of outdoor unit pc board 146
- Jc outdoor unit malfunction of low pressure sensor 146
- Malfunction decision conditions 146
- Malfunction is detected from pressure detected by low pressure sensor 146
- Method of malfunction detection 146
- Remote controller display 146
- Sibe39 402 troubleshooting by indication on the remote controller 146
- Supposed causes 146
- Troubleshooting 146
- Troubleshooting 137 146
- When the low pressure sensor is short circuit or open circuit 146
- Actuation of fin thermal actuates above 99 c defect of inverter pc board defect of fin thermistor 147
- Aii outdoor unit models 147
- Applicable models 147
- Fin temperature is detected by the thermistor of the radiation fin 147
- L4 outdoor unit malfunction of inverter radiating fin temperature rise 147
- Malfunction decision conditions 147
- Method of malfunction detection 147
- Refer to thermistor resistance temperature characteristics table on p192 147
- Remote controller display 147
- Supposed causes 147
- Troubleshooting 147
- Troubleshooting by indication on the remote controller sibe39 402 147
- When the temperature of the inverter radiation fin increases above 99 c 147
- Aii outdoor unit models 148
- Applicable models 148
- Defect of compressor coil disconnected defective insulation compressor start up malfunction mechanical lock defect of inverter pc board 148
- Higher voltage than actual is displayed when the inverter output voltage is checked by tester 148
- L5 outdoor unit inverter compressor abnormal 148
- Malfunction decision conditions 148
- Malfunction is detected from current flowing in the power transistor 148
- Method of malfunction detection 148
- Remote controller display 148
- Sibe39 402 troubleshooting by indication on the remote controller 148
- Supposed causes 148
- Troubleshooting 148
- Troubleshooting 139 148
- When an excessive current flows in the power transistor instantaneous overcurrent also causes activation 148
- Aii outdoor unit models 149
- Applicable models 149
- Compressor overload compressor coil disconnected defect of inverter pc board 149
- L8 outdoor unit inverter current abnormal 149
- Malfunction decision conditions 149
- Malfunction is detected by current flowing in the power transistor 149
- Method of malfunction detection 149
- Remote controller display 149
- Supposed causes 149
- Troubleshooting 149
- Troubleshooting by indication on the remote controller sibe39 402 149
- When overload in the compressor is detected 149
- Aii outdoor unit models 150
- Applicable models 150
- Defect of compressor pressure differential start defect of inverter pc board 150
- L9 outdoor unit inverter start up error 150
- Malfunction decision conditions 150
- Malfunction is detected from current flowing in the power transistor 150
- Method of malfunction detection 150
- Remote controller display 150
- Sibe39 402 troubleshooting by indication on the remote controller 150
- Supposed causes 150
- Troubleshooting 150
- Troubleshooting 141 150
- When overload in the compressor is detected during startup 150
- Applicable models 151
- Lc outdoor unit malfunction of transmission between inverter and control pc board 151
- Malfunction decision conditions 151
- Method of malfunction detection 151
- Remote controller display 151
- Supposed causes 151
- Caution be su re to t u rn off power s witch b efore connect or di s connect connector or p a rt s d a m a ge m a y b e occ u rred 152
- Sibe39 402 troubleshooting by indication on the remote controller 152
- Troubleshooting 152
- Troubleshooting 143 152
- Aii outdoor unit models 153
- Applicable models 153
- Defect of radiator fin temperature sensor defect of inverter pc board 153
- Malfunction decision conditions 153
- Method of malfunction detection 153
- P4 outdoor unit malfunction of inverter radiating fin temperature rise sensor 153
- Refer to thermistor resistance temperature characteristics table on p192 153
- Remote controller display 153
- Resistance of radiation fin thermistor is detected when the compressor is not operating 153
- Supposed causes 153
- Troubleshooting 153
- Troubleshooting by indication on the remote controller sibe39 402 153
- When the resistance value of thermistor becomes a value equivalent to open or short circuited status malfunction is not decided while the unit operation is continued p4 will be displayed by pressing the inspection button 153
- Aii outdoor unit models 154
- Applicable models 154
- Check the communication state between inverter pc board and control pc board by micro computer 154
- Malfunction decision conditions 154
- Method of malfunction detection 154
- Mismatching of inverter pc board faulty field setting 154
- Pj outdoor unit faulty combination of inverter and fan driver 154
- Refer to field setting from outdoor unit on p77 154
- Remote controller display 154
- Sibe39 402 troubleshooting by indication on the remote controller 154
- Supposed causes 154
- Troubleshooting 154
- Troubleshooting 145 154
- When the communication data about inverter pc board type is incorrect 154
- Aii outdoor unit models 155
- Applicable models 155
- Malfunction decision conditions 155
- Method of malfunction detection 155
- Microcomputer judge and detect if the system is short of refrigerant h malfunction is not decided while the unit operation is continued 155
- Out of gas or refrigerant system clogging incorrect piping defect of thermistor r2t or r4t defect of pressure sensor defect of outdoor unit pc board a1p 155
- Remote controller display 155
- Short of gas malfunction is detected by discharge pipe temperature thermistor 155
- Supposed causes 155
- Troubleshooting 155
- Troubleshooting by indication on the remote controller sibe39 402 155
- Uo low pressure drop due to refrigerant shortage or electronic expansion valve failure 155
- U2 power supply insufficient or instantaneous failure 156
- Caution be su re to t u rn off power s witch b efore connect or di s connect connector or p a rt s d a m a ge m a y b e occ u rred 157
- Troubleshooting 157
- Troubleshooting by indication on the remote controller sibe39 402 157
- Aii outdoor unit models 158
- Applicable models 158
- Check operation is executed or not 158
- Check operation is not executed 158
- Malfunction decision conditions 158
- Malfunction is decided when the unit starts operation without check operation 158
- Method of malfunction detection 158
- Remote controller display 158
- Sibe39 402 troubleshooting by indication on the remote controller 158
- Supposed causes 158
- Troubleshooting 158
- Troubleshooting 149 158
- U3 check operation not executed 158
- Applicable models 159
- Malfunction decision conditions 159
- Method of malfunction detection 159
- Remote controller display 159
- Supposed causes 159
- U4 malfunction of transmission between indoor units and outdoor units 159
- Caution be su re to t u rn off power s witch b efore connect or di s connect connector or p a rt s d a m a ge m a y b e occ u rred 160
- Sibe39 402 troubleshooting by indication on the remote controller 160
- Troubleshooting 160
- Troubleshooting 151 160
- Aii indoor unit models 161
- Applicable models 161
- In case of controlling with 2 remote controller check the system using microcomputer is signal transmission between indoor unit and remote controller main and sub is normal 161
- Malfunction decision conditions 161
- Malfunction of indoor unit remote controller transmission connection of two main remote controllers when using 2 remote controllers defect of indoor unit pc board defect of remote controller pc board malfunction of transmission caused by noise 161
- Method of malfunction detection 161
- Normal transmission does not continue for specified period 161
- Remote controller display 161
- Supposed causes 161
- Troubleshooting 161
- Troubleshooting by indication on the remote controller sibe39 402 161
- U5 malfunction of transmission between remote controller and indoor unit 161
- Aii indoor unit models 162
- Applicable models 162
- In case of controlling with 2 remote controller check the system using microcomputer if signal transmission between indoor unit and remote controller main and sub is normal 162
- Malfunction decision conditions 162
- Malfunction of transmission between main and sub remote controller connection between sub remote controllers defect of remote controller pc board 162
- Method of malfunction detection 162
- Normal transmission does not continue for specified period 162
- Remote controller display 162
- Sibe39 402 troubleshooting by indication on the remote controller 162
- Supposed causes 162
- Troubleshooting 162
- Troubleshooting 153 162
- U8 malfunction of transmission between master and slave remote controllers 162
- U9 malfunction of transmission between indoor and outdoor units in the same system 163
- Caution be su re to t u rn off power s witch b efore connect or di s connect connector or p a rt s d a m a ge m a y b e occ u rred 164
- Sibe39 402 troubleshooting by indication on the remote controller 164
- Troubleshooting 164
- Troubleshooting 155 164
- Aii outdoor unit models 165
- Applicable models 165
- Excess of connected indoor units defect of outdoor unit pc board a1p mismatching of the refrigerant type of indoor and outdoor unit setting of outdoor p c board was not conducted after replacing to spare parts p c board 165
- Malfunction decision conditions 165
- Method of malfunction detection 165
- Remote controller display 165
- Supposed causes 165
- The number of indoor units that can be connected to a single outdoor unit system depends on the type of outdoor unit 165
- Troubleshooting 165
- Troubleshooting by indication on the remote controller sibe39 402 165
- Ua excessive number of indoor units 165
- Address duplication of centralized remote controller defect of indoor unit pc board 166
- Aii indoor unit models 166
- Applicable models 166
- Malfunction decision conditions 166
- Method of malfunction detection 166
- Remote controller display 166
- Sibe39 402 troubleshooting by indication on the remote controller 166
- Supposed causes 166
- Troubleshooting 166
- Troubleshooting 157 166
- Uc address duplication of central remote controller 166
- Applicable models 167
- Malfunction decision conditions 167
- Method of malfunction detection 167
- Remote controller display 167
- Supposed causes 167
- Ue malfunction of transmission between central remote controller and indoor unit 167
- Caution be su re to t u rn off power s witch b efore connect or di s connect connector or p a rt s d a m a ge m a y b e occ u rred 168
- Sibe39 402 troubleshooting by indication on the remote controller 168
- Troubleshooting 168
- Troubleshooting 159 168
- Aii indoor unit models aii outdoor unit models 169
- Applicable models 169
- Improper connection of transmission wiring between outdoor unit and outdoor unit outside control adaptor failure to execute wiring check operation defect of indoor unit pc board failure to open the stop valve 169
- Malfunction decision conditions 169
- Method of malfunction detection 169
- Note test operation may not be successful if carried out after the outdoor unit has been off for more than 12 hours or if it is not carried out after running all connected indoor units in the fan mode for at least an hour 169
- Remote controller display 169
- Supposed causes 169
- Troubleshooting 169
- Troubleshooting by indication on the remote controller sibe39 402 169
- Uf refrigerant system not set incompatible wiring piping 169
- Aii indoor unit models aii outdoor unit models 170
- Applicable models 170
- Improper connection of transmission wiring between outdoor unit and outdoor unit outside control adaptor defect of indoor unit pc board defect of outdoor unit pc board a1p 170
- Malfunction decision conditions 170
- Method of malfunction detection 170
- Remote controller display 170
- Sibe39 402 troubleshooting by indication on the remote controller 170
- Supposed causes 170
- Troubleshooting 170
- Troubleshooting 161 170
- Uh malfunction of system refrigerant system address undefined 170
- Aii indoor unit models centralized remote controller 171
- Applicable models 171
- Malfunction decision conditions 171
- Malfunction of transmission between optional controllers for centralized control and indoor unit connector for setting master controller is disconnected failure of pc board for central remote controller defect of indoor unit pc board 171
- Method of malfunction detection 171
- Microcomputer checks if transmission between indoor unit and central remote controller is normal 171
- Remote controller display 171
- Supposed causes 171
- Troubleshooting 171
- Troubleshooting by indication on the centralized remote controller 171
- Ue malfunction of transmission between centralized remote controller and indoor unit 171
- When transmission is not carried out normally for a certain amount of time 171
- M1 pc board defect 172
- Applicable models 173
- Centralized remote controller 173
- M8 malfunction of transmission between optional controllers for centralized control 173
- Malfunction decision conditions 173
- Malfunction of transmission between optional controllers for centralized control defect of pc board of optional controllers for centralized control 173
- Method of malfunction detection 173
- Remote controller display 173
- Supposed causes 173
- Troubleshooting 173
- Troubleshooting by indication on the centralized remote controller sibe39 402 173
- Ma improper combination of optional controllers for centralized control 174
- Caution be su re to t u rn off power s witch b efore connect or di s connect connector or p a rt s d a m a ge m a y b e occ u rred 175
- Troubleshooting 175
- Troubleshooting by indication on the centralized remote controller sibe39 402 175
- Address duplication of centralized remote controller 176
- Applicable models 176
- Centralized remote controller 176
- Malfunction decision conditions 176
- Mc address duplication improper setting 176
- Method of malfunction detection 176
- Remote controller display 176
- Sibe39 402 troubleshooting by indication on the centralized remote controller 176
- Supposed causes 176
- Troubleshooting 176
- Troubleshooting 167 176
- Operation lamp blinks 177
- Troubleshooting by indication on the unified on off controller 177
- Caution be su re to t u rn off power s witch b efore connect or di s connect connector or p a rt s d a m a ge m a y b e occ u rred 178
- Sibe39 402 troubleshooting by indication on the unified on off controller 178
- Troubleshooting 178
- Troubleshooting 169 178
- Display under host computer integrate control blinks repeats single blink 179
- Caution be su re to t u rn off power s witch b efore connect or di s connect connector or p a rt s d a m a ge m a y b e occ u rred 180
- Sibe39 402 troubleshooting by indication on the unified on off controller 180
- Troubleshooting 180
- Troubleshooting 171 180
- Troubleshooting 181
- Troubleshooting by indication on the unified on off controller sibe39 402 181
- Applicable models 182
- Central control address group no is not set for indoor unit improper address setting improper wiring of transmission wiring 182
- Display under host computer integrate control blinks repeats double blink 182
- Malfunction decision conditions 182
- Method of malfunction detection 182
- Remote controller display 182
- Sibe39 402 troubleshooting by indication on the unified on off controller 182
- Supposed causes 182
- Troubleshooting 182
- Troubleshooting 173 182
- Under host computer integrated control repeats double blink 182
- Unified on off controller 182
- Troubleshooting op schedule timer 183
- Ue malfunction of transmission between central remote controller and indoor unit 183
- Caution be su re to t u rn off power s witch b efore connect or di s connect connector or p a rt s d a m a ge m a y b e occ u rred 184
- Sibe39 402 troubleshooting op schedule timer 184
- Troubleshooting 184
- Troubleshooting 175 184
- Applicable models 185
- Defect of schedule timer pc board 185
- M1 pc board defect 185
- Malfunction decision conditions 185
- Method of malfunction detection 185
- Remote controller display 185
- Schedule timer 185
- Supposed causes 185
- Troubleshooting 185
- Troubleshooting op schedule timer sibe39 402 185
- All models of indoor units schedule timer 186
- Applicable models 186
- M8 malfunction of transmission between optional controllers for centralized control 186
- Malfunction decision conditions 186
- Malfunction of transmission between optional controllers for centralized control defect of pc board of optional controllers for centralized control 186
- Method of malfunction detection 186
- Remote controller display 186
- Sibe39 402 troubleshooting op schedule timer 186
- Supposed causes 186
- Troubleshooting 186
- Troubleshooting 177 186
- Ma improper combination of optional controllers for centralized control 187
- Caution be su re to t u rn off power s witch b efore connect or di s connect connector or p a rt s d a m a ge m a y b e occ u rred 188
- Sibe39 402 troubleshooting op schedule timer 188
- Troubleshooting 188
- Troubleshooting 179 188
- Address duplication of optional controller for centralized control 189
- All models of indoor units schedule timer 189
- Applicable models 189
- Malfunction decision conditions 189
- Mc address duplication improper setting 189
- Method of malfunction detection 189
- Remote controller display 189
- Supposed causes 189
- Troubleshooting 189
- Troubleshooting op schedule timer sibe39 402 189
- Check for fan motor connector signal line 1 turn the power supply off 2 with the fan motor connector disconnected measure the resistance between each pin then make sure that the resistance is more than the value mentioned in the following table 190
- Check no 8 190
- Check no 9 190
- Check on connector of fan motor power supply cable 1 turn off the power supply measure the resistance between phases of u v w at the motor side connectors three core wire to check that the values are balanced and there is no short circuiting while connector or relay connector is disconnected 190
- Measurement point judgment 1 4 1m ω or more 2 4 100k ω or more 3 4 100 ω or more 4 7 100k ω or more 190
- Sibe39 402 check 190
- Troubleshooting 181 190
- 350v during operation 191
- Check no 11 191
- Fan speed pulse input 0v and 5v 191
- Part 8 appendix 192
- Piping diagrams 184 192
- Thermistor resistance temperature characteristics 92 4 pressure sensor 94 192
- Wiring diagrams for reference 187 192
- Appendix 193
- Outdoor unit 193
- Piping diagrams 193
- Piping diagrams sibe39 402 193
- Rxysq4m7v3b rxysq5m7v3b rxysq6m7v3b 193
- Appendix 185 194
- Fxkq25m 32m 40m 63mve fxmq40m 50m 63m 80m 100m 125mve fxhq32m 63m 100mve fxlq20m 25m 32m 40m 50m 63mve fxnq20m 25m 32m 40m 50m 63mve 194
- Fxzq20m 25m 32m 40m 50mve 194
- Indoor unit 194
- Sibe39 402 piping diagrams 194
- Appendix 195
- Fxaq20m 25m 32m 40m 50m 63mve 195
- Fxdq20n 25n 32n 40n 50n 63nve 195
- Piping diagrams sibe39 402 195
- Appendix 187 196
- B s 1 5 196
- C h s elector option a l a cce ss ory 196
- Cool he a t 196
- D s 1 2 196
- D044946b 196
- F a n s 1 s 196
- Grn ylw 196
- Hap hap 196
- He a t 196
- He a t s elector s witch cool he a t 196
- K4r k2r 196
- L red n blu 196
- M1c m1f 196
- Note 4 196
- Note 8 196
- O u tdoor f1 f2 196
- Outdoor unit 196
- P s r1 196
- R2t r 3 t 196
- R5t r4t 196
- Rxysq4m7v3b rxysq5m7v3b rxysq6m7v3b 196
- S 1nph 196
- S 1npl 196
- S 1npl s 1ph 196
- Sibe39 402 wiring diagrams for reference 196
- Thi s wiring di a gr a m i s a pplied only to the o u tdoor u nit 2 field wiring 3 termin a l s trip mov ab le connector fixed connector termin a l protective e a rth s crew noi s ele ss e a rth 4 when us ing the option a d a pter refer to the in s t a ll a tion m a n ua l 5 refer to oper a tion c au tion l ab el on ba ck of front pl a te how to us e b s 1 b s 5 a nd d s 1 2 s witch 6 when oper a ting don t s hort circ u it for protection device s 1pf 7 color s blu b l u e brn b rown grn green red red wht white ylw yellow 8 refer to the in s t a ll a tion m a n ua l for connection wiring to indoor o u tdoor tr a n s mi ss ion s f1 f2 o u tdoor o u tdoor tr a n s mi ss ion f1 f2 196
- Wht wht 196
- Wiring diagrams for reference 196
- X1m x1m 196
- X2 3 a 196
- Y2 s y 3s 196
- Appendix 197
- Fxkq25m 32m 40m 63mve 197
- Fxzq20m 25m 32m 40m 50mve 197
- Indoor unit 197
- Termin a l connector field wiring 2 in c as e us ing centr a l remote control connect it to the u nit in a ccord a nce with the a tt a ched in s t a ll a tion m a n ua l 3 x2 3 a i s connected when the infr a red remote control kit i s b eing us ed 4 when connecting the inp u t wire s from o u t s ide forced off or on off control oper a tion c a n b e s elected b y remote control 5 remote control model v a rie s a ccording to the com b in a tion s y s tem confirm engineering m a teri a l s a nd c a t a log s etc b efor connecting 6 s ym b ol s s how as follow s red red blk b l a ck wht white ylw yellow pnk pink org or a nge grn green blu b l u e 197
- Wiring diagrams for reference sibe39 402 197
- 125 type 198
- 50 6 3 8 0 type 198
- Appendix 189 198
- C a p a citor m1f 198
- Connector for option a l p a rt s 198
- Diode s ervice 198
- Electronic exp a n s ion 198
- Flo a t s witch tr a n s former 220 240v 22v 198
- Fxdq20n 25n 32n 40n 50n 63nve 198
- Fxmq40m 50m 63m 80m 100m 125mve 198
- Indoor u nit 198
- Light emitting 198
- M a gnetic rel a y 198
- M a in sub 198
- Monitor green 198
- Motor dr a in p u mp 198
- Option a l p a rt s 198
- S elector s witch 198
- Sibe39 402 wiring diagrams for reference 198
- Termin a l b o a rd 198
- Thermi s tor air 198
- Thermi s tor air thermi s tor coil 198
- V a lve 198
- Wired remote control 198
- X1 8 a 198
- Appendix 199
- Connector flo a t s witch 199
- Defro s t orange 199
- Electronic exp a n s ion v a lve 199
- F us e b 3 a 250v 199
- Field wiring connector field wiring connector 199
- Filter s ign red 199
- Fxaq20m 25m 32m 40m 50m 63mve 199
- Fxhq32m 63m 100mve 199
- In c as e us ing centr a l remote control connect it to the u nit in a ccord a nce 199
- Light emitting diode 199
- Light emitting diode s ervice 199
- Monitor green 199
- Motor indoor f a n 199
- Motor s wing fl a p 199
- P us h bu tton on off 199
- Power circ u it 199
- Printed circ u it b o a rd 199
- S elector s witch 199
- S elector s witch m a in sub 199
- S how s s hort circ u it connector 199
- S ym b ol s s how as follow s red red wht white grn green pnk pink 199
- Termin a l b lock control 199
- Termin a l b lock power 199
- Termin a l connector 199
- Thermi s tor air 199
- Thermi s tor coil g as pipe 199
- Thermi s tor coil li qu id pipe 199
- Timer green 199
- When connecting the inp u t wire s from o u t s ide forced off or on off control oper a tion c a n b e s elected b y remote control in det a il s refer to the in s t a ll a tion m a n ua l a tt a ched the u nit 6 remote control model v a rie s a ccording to the com b in a tion s y s tem confirm engineering d a t a a nd c a t a log s etc b efore connecting 7 confirm the method of s etting the s elector s witch ss 1 ss 2 of wired remote control a nd infr a red remote control b y in s t a ll a tion m a n ua l a nd engineering d a t a etc 8 x24a i s connected s when the infr a red remote control kit i s b eing us ed 199
- Wirele ss a ddre ss s et 199
- Wiring diagrams for reference sibe39 402 199
- With the a tt a ched in s tr u ction m a n ua l 199
- Ylw yellow blk b l a ck org or a nge brn b rown blu b l u e 199
- Appendix 191 200
- Connector for option a l p a rt s 200
- Connector wiring a d a pter for electoric a l a ppendice s 200
- Fxlq20m 25m 32m 40m 50m 63mve fxnq20m 25m 32m 40m 50m 63mve 200
- Indoor u nit 200
- Printed circ u it b o a rd c a p a citor m1f f us e b 5a 250v light emitting diode s ervice monitor green m a gnetic rel a y m1f motor indoor f a n thermo s witch m1f em b edde thermi s tor air thermi s tor coil 200
- Sibe39 402 wiring diagrams for reference 200
- Ss 1 r1t 200
- Termin a l b lock control electronic exp a n s ion v a lve 200
- Termin a l b lock power 200
- Thermi s tor air s elector s witch m a in sub 200
- Wired remote controller 200
- X1 8 a 200
- X2m y1e 200
- Appendix 201
- Indoor unit for air suction r1t for liquid pipe r2t for gas pipe r3t 201
- Outdoor unit for outdoor air r1t for coil r2t for suction pipe r4t for receiver gas pipe r5t 201
- Thermistor resistance temperature characteristics 201
- Thermistor resistance temperature characteristics sibe39 402 201
- Appendix 193 202
- Outdoor unit thermistors for discharge pipe r3t 202
- Sibe39 402 thermistor resistance temperature characteristics 202
- Pressure sensor 203
- Part 9 204
- Precautions for new refrigerant r410a 204
- Precautions for new refrigerant r410a 96 204
- About refrigerant r410a 205
- Characteristics of new refrigerant r410a 1 performance almost the same performance as r22 and r407c 2 pressure working pressure is approx 1 times more than r22 and r407c 3 refrigerant composition few problems in composition control since it is a quasi azeotropic mixture refrigerant 205
- H 1 non azeotropic mixture refrigerant mixture of two or more refrigerants having different boiling points h 2 quasi azeotropic mixture refrigerant mixture of two or more refrigerants having similar boiling points h 3 the design pressure is different at each product please refer to the installation manual for each product reference 1 mpa 10 9716 kgf c 205
- Outline 205
- Precautions for new refrigerant r410a 205
- Precautions for new refrigerant r410a 197 206
- Sibe39 402 precautions for new refrigerant r410a 206
- Thermodynamic characteristic of r410a 206
- As for the charge mouthpiece and packing 1 2unf20 is necessary for mouthpiece size of charge hose 207
- Copper tube material and thickness 207
- Material 207
- O o o o 1 2h 1 2h 1 2h 1 2h 1 2h 1 2h 1 2h 207
- O o o o o 1 2h 1 2h 1 2h 1 2h 1 2h 1 2h 207
- O soft annealed h hard drawn 207
- Pipe size 207
- R407c r410a 207
- R410a is used under higher working pressure compared to previous refrigerants r22 r407c furthermore the refrigerating machine oil has been changed from suniso oil to ether oil and if oil mixing is occurred sludge results in the refrigerants and causes other problems therefore gauge manifolds and charge hoses that are used with a previous refrigerant r22 r407c can not be used for products that use new refrigerants be sure to use dedicated tools and devices 207
- Service tools 207
- Thickness mm 0 0 0 1 1 1 1 1 1 1 1 207
- Tool compatibility 207
- Φ 6 φ 9 φ 12 φ 15 φ 19 φ 22 φ 25 φ 28 φ 31 φ 38 φ 44 207
- Conventional flaring tools can be used when the work process is changed change of work process previously a pipe extension margin of 0 to 0 mm was provided for flaring for r410a air conditioners perform pipe flaring with a pipe extension margin of 1 to 1 mm for clutch type only conventional tool with pipe extension margin adjustment can be used 208
- Differences 2 change of dimension a 208
- Flaring tool 208
- Specifications 2 dimension a 208
- Unit mm 208
- Can not be used 211
- Drawings flow charts 216
- B 8400 ostend belgium 218
- Sibe39 402 1 500 09 2004 printed in belgium by lannoo 218
- Www daikineurope com 218
- Zandvoordestraat 300 218
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