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Daikin 2MKS50GV1B [5/312] Troubleshooting for outdoor unit 09
![Daikin 2MKS50GV1B [5/312] Troubleshooting for outdoor unit 09](/views2/1775161/page5/bg5.png)
SiBE12-816_C
Table of Contents iv
2. Problem Symptoms and Measures .....................................................177
3. Service Check Function ......................................................................178
3.1 RA Indoor Unit - F(C)TXG, FTXS, FVXS, FLK(X)S,
FDK(X)S Series....................................................................................178
3.2 SA Indoor Unit - FFQ Series ................................................................187
4. Code Indication on Remote Controller ................................................192
4.1 RA Indoor Unit - F(C)TXG, FTXS, FVXS, FLK(X)S,
FDK(X)S Series....................................................................................192
4.2 SA Indoor Unit - FFQ Series ................................................................192
4.3 Outdoor Unit .........................................................................................193
5. Troubleshooting for RA Indoor Unit - F(C)TXG, FTXS, FVXS,
FLK(X)S, FDK(X)S Series...................................................................194
5.1 Indoor Unit PCB Abnormality ...............................................................194
5.2 Freeze-up Protection Control or Heating Peak-cut Control..................195
5.3 Fan Motor or Related Abnormality .......................................................197
5.4 Thermistor or Related Abnormality (Indoor Unit)..................................200
6. Troubleshooting for SA Indoor Unit - FFQ Series ...............................201
6.1 Indoor Unit PCB Abnormality ...............................................................201
6.2 Drain Water Level System Abnormality................................................202
6.3 Fan Motor or Related Abnormality .......................................................204
6.4 Drain System Abnormality....................................................................205
6.5 Thermistor or Related Abnormality.......................................................206
6.6 Remote Controller Air Thermistor Abnormality.....................................208
7. Troubleshooting for Outdoor Unit........................................................209
7.1 Anti-icing Control for Indoor Unit ..........................................................209
7.2 OL Activation (Compressor Overload) .................................................211
7.3 Compressor Lock .................................................................................212
7.4 DC Fan Lock ........................................................................................213
7.5 Input Overcurrent Detection .................................................................214
7.6 Discharge Pipe Temperature Control...................................................215
7.7 High Pressure Control in Cooling .........................................................216
7.8 Compressor Sensor System Abnormality ............................................217
7.9 Position Sensor Abnormality ................................................................218
7.10 DC Voltage / Current Sensor Abnormality............................................220
7.11 Thermistor or Related Abnormality (Outdoor Unit)...............................221
7.12 Electrical Box Temperature Rise..........................................................223
7.13 Radiation Fin Temperature Rise ..........................................................224
7.14 Output Overcurrent Detection ..............................................................226
7.15 Refrigerant Shortage ............................................................................228
7.16 Low-voltage Detection or Over-voltage Detection................................230
7.17 Outdoor Unit PCB Abnormality or Signal Transmission Error ..............231
7.18 Anti-icing control in Other Room / Unspecified Voltage
(between Indoor Unit and Outdoor Unit) ..............................................234
8. Check ..................................................................................................235
8.1 How to Check .......................................................................................235
Part 7 Removal Procedure ........................................................ 247
1. Outdoor Unit........................................................................................248
1.1 Removal of Outer Panels .....................................................................248
1.2 Removal of Electrical Box ....................................................................250
1.3 Removal of PCB...................................................................................255
Содержание
- Inverter multi for 2 rooms g series 1
- Manual 1
- Service 1
- Sibe12 816_c 1
- Cooling only 2
- Heat pump 2
- Inverter multi for 2 rooms g series 2
- Outdoor unit indoor unit 2
- Table of contents 2
- Function of thermistor 1 3 control specification 3 3
- Functions 3
- Indoor unit 1 3
- Introduction vi 3
- Main functions 1 3
- Outdoor unit 8 3
- Part 1 list of functions 3
- Part 2 specifications 0 3
- Part 3 printed circuit board connector wiring diagram 0 3
- Part 4 function and control 0 3
- Specifications 1 3
- Caution for diagnosis 75 4
- Ffq series 60 4
- Ftxg e ctxg e flk x s fdk x s series 41 4
- Ftxs fvxs series 14 4
- Part 5 operation manual 0 4
- Part 6 service diagnosis 73 4
- System configuration 1 2 ftxg j ctxg j series 2 4
- Check 35 5
- Code indication on remote controller 92 5
- Outdoor unit 48 5
- Part 7 removal procedure 47 5
- Problem symptoms and measures 77 3 service check function 78 5
- Troubleshooting for outdoor unit 09 5
- Troubleshooting for ra indoor unit f c txg ftxs fvxs flk x s fdk x s series 94 5
- Troubleshooting for sa indoor unit ffq series 01 5
- Application of silicon grease to a power transistor and a diode bridge 86 6
- Field settings 78 6
- Part 8 trial operation and field settings 72 6
- Part 9 appendix 87 6
- Piping diagrams 88 6
- Pump down operation 73 2 forced operation mode 74 3 trial operation 75 6
- Wiring diagrams 94 6
- Cautions regarding safety of workers 7
- Introduction 7
- Safety cautions 7
- Warning 7
- Caution 8
- Warning 8
- Cautions regarding safety of users 9
- Warning 9
- Caution 10
- Warning 10
- Caution 11
- Icons are used to attract the attention of the reader to specific information the meaning of each icon is described in the table below 11
- Used icons 11
- Functions 12
- Part 1 list of functions 12
- Cooling only 13
- Functions 13
- Holding functions no functions 13
- List of functions 2 13
- Sibe12 816_c functions 13
- Functions sibe12 816_c 14
- Holding functions no functions 14
- List of functions 14
- Holding functions no functions 15
- List of functions 4 15
- Sibe12 816_c functions 15
- Functions sibe12 816_c 16
- Heat pump 16
- Holding functions no functions 16
- List of functions 16
- Holding functions no functions 17
- List of functions 6 17
- Sibe12 816_c functions 17
- Functions sibe12 816_c 18
- Holding functions no functions 18
- List of functions 18
- Holding functions no functions 19
- List of functions 8 19
- Sibe12 816_c functions 19
- Functions sibe12 816_c 20
- Holding functions no functions 20
- List of functions 20
- Part 2 specifications 21
- Specifications 1 21
- Cooling only indoor units 22
- Specifications 22
- Specifications sibe12 816_c 22
- Wall mounted type 50 hz 220 230 240 v 22
- Hz 220 230 240 v 23
- Sibe12 816_c specifications 23
- Specifications 12 23
- Floor standing type 24
- Hz 220 230 240 v 24
- Specifications 24
- Specifications sibe12 816_c 24
- Floor ceiling suspended dual type 25
- Hz 220 230 240 v 25
- Sibe12 816_c specifications 25
- Specifications 14 25
- Duct connected type 26
- Hz 230 v 26
- Specifications 26
- Specifications sibe12 816_c 26
- Ceiling mounted cassette type 50 hz 230 v 27
- Sibe12 816_c specifications 27
- Specifications 16 27
- Cooling only outdoor units 28
- Hz 220 240 v 28
- Specifications 28
- Specifications sibe12 816_c 28
- Hz 220 240 v 29
- Sibe12 816_c specifications 29
- Specifications 18 29
- Heat pump indoor units 30
- Specifications 30
- Specifications sibe12 816_c 30
- Wall mounted type 50 hz 220 230 240 v 30
- Hz 220 230 240 v 31
- Sibe12 816_c specifications 31
- Specifications 20 31
- Hz 220 230 240 v 32
- Specifications 32
- Specifications sibe12 816_c 32
- Hz 220 230 240 v 33
- Sibe12 816_c specifications 33
- Specifications 22 33
- Hz 220 230 240 v 34
- Specifications 34
- Specifications sibe12 816_c 34
- Floor standing type 35
- Hz 220 230 240 v 35
- Sibe12 816_c specifications 35
- Specifications 24 35
- Floor ceiling suspended dual type 36
- Hz 220 230 240 v 36
- Specifications 36
- Specifications sibe12 816_c 36
- Duct connected type 37
- Hz 230 v 37
- Sibe12 816_c specifications 37
- Specifications 26 37
- Ceiling mounted cassette type 50 hz 230 v 38
- Specifications 38
- Specifications sibe12 816_c 38
- Heat pump outdoor units 39
- Hz 220 240 v 39
- Sibe12 816_c specifications 39
- Specifications 28 39
- Hz 220 240 v 40
- Specifications 40
- Specifications sibe12 816_c 40
- Indoor unit 1 41
- Outdoor unit 8 41
- Part 3 printed circuit board connector wiring diagram 41
- Ftxg25 35ev1bw s ctxg50ev1bw s 42
- Indoor unit 42
- Wall mounted type 42
- Led2 led3 43
- Pcb 2 signal receiver pcb 43
- Pcb 3 intelligent eye sensor pcb 43
- Pcb detail pcb 1 control pcb 43
- Printed circuit board connector wiring diagram 32 43
- Sibe12 816_c indoor unit 43
- Ftxg25 35jv1bw s ctxg50jv1bw s 44
- Pcb detail pcb 1 control pcb 45
- Printed circuit board connector wiring diagram 34 45
- Sibe12 816_c indoor unit 45
- Indoor unit sibe12 816_c 46
- Pcb 2 signal receiver display pcb 46
- Pcb 3 intelligent eye sensor pcb 46
- Printed circuit board connector wiring diagram 46
- Ftxs20 25 35 42 50g2v1b 47
- Indoor unit sibe12 816_c 48
- Pcb detail pcb 1 control pcb 48
- Printed circuit board connector wiring diagram 48
- Pcb 2 signal receiver pcb pcb 3 display pcb 49
- Pcb 4 intelligent eye sensor pcb 49
- Printed circuit board connector wiring diagram 38 49
- Sibe12 816_c indoor unit 49
- Floor standing type 50
- Fvxs25 35 50fv1b 50
- Led3 does not function 51
- Pcb 2 control pcb 51
- Pcb 3 service pcb pcb 4 display pcb 51
- Pcb detail pcb 1 sensor pcb 51
- Printed circuit board connector wiring diagram 40 51
- Sibe12 816_c indoor unit 51
- Flk x s25 35 50bavmb 52
- Floor ceiling suspended dual type 52
- Pcb 2 power supply pcb 53
- Pcb 3 display pcb pcb 4 signal receiver pcb 53
- Pcb detail pcb 1 control pcb 53
- Printed circuit board connector wiring diagram 42 53
- Sibe12 816_c indoor unit 53
- Duct connected type 54
- Fdk x s25 35eavmb fdk x s50cvmb 54
- Pcb 2 display pcb 55
- Pcb detail pcb 1 control pcb 55
- Printed circuit board connector wiring diagram 44 55
- Sibe12 816_c indoor unit 55
- Ceiling mounted cassette type 56
- Ffq25 35 50b8v1b 56
- Pcb detail pcb 1 control pcb a1p 57
- Printed circuit board connector wiring diagram 46 57
- Sibe12 816_c indoor unit 57
- Indoor unit sibe12 816_c 58
- Led5 and led6 do not function 58
- Pcb 2 wired remote controller pcb 58
- Pcb 3 signal receiver pcb a3p 58
- Pcb 4 display pcb a4p 58
- Printed circuit board connector wiring diagram 58
- 2mk x s40 50gv1b 2mk x s40 50g2v1b 59
- Outdoor unit 59
- Outdoor unit sibe12 816_c 60
- Pcb detail 40 class 60
- Printed circuit board connector wiring diagram 60
- Function of thermistor 1 3 control specification 3 61
- Main functions 1 61
- Part 4 function and control 61
- Frequency principle 62
- Main functions 62
- Temperature control 62
- Comfortable air conditioning a fine adjustment is integrated to keep the room temperature constant 63
- Drawing of inverter the following drawing shows a schematic view of the inverter principle 63
- Energy saving heating and cooling once the set temperature is reached the energy saving operation enables to maintain the room temperature at low power 63
- Even during extreme cold weather the high capacity is achieved it is maintained even when the outdoor temperature is 2 c 63
- Forced cooling operation refer to forced operation mode on page 63
- Frequency limits the following functions regulate the minimum and maximum frequency 63
- Inverter features the inverter provides the following features 63
- Quick heating and quick cooling the compressor rotational speed is increased when starting the heating or cooling this enables to reach the set temperature quickly 63
- The regulating capacity can be changed according to the changes in the outdoor temperature and cooling heating load 63
- Control flow 64
- D signal after the front panel starts moving 3 opening the flap fully after the front panel opens fully 4 making the fan rotate when the flap passes over the fan banned area 64
- Function and control 64
- Main functions sibe12 816_c 64
- Operation starting control 64
- Timing chart 64
- Wall mounted type e series j series the system carries out the following control at the beginning to conduct every functional parts properly 1 opening the front panel fully 2 output of the 64
- Airflow direction control 65
- Auto swing the following table explains the auto swing process for cooling dry heating and fan wall mounted type 65
- Cooling dry mode during cooling or dry mode the flap retracts into the indoor unit then cool air can be blown far and pervaded all over the room 65
- Floor standing type 65
- Heating mode during heating mode the large flap directs airflow downwards to spread the warm air to the entire room 65
- Power airflow dual flaps the large flaps send a large volume of air downwards to the floor the flap provides an optimum control in cooling dry and heating mode 65
- Wide angle louvers the louvers made of elastic synthetic resin provide a wide range of airflow that guarantees a comfortable air distribution 65
- 1 the vertical blades louvers move from the right to the left 2 the horizontal blades flaps move downward 3 the vertical blades louvers move from the left to the right 4 the horizontal blades flaps move upward 66
- Comfort airflow operation 66
- D airflow wall mounted type g series alternative repetition of vertical and horizontal swing motions enables uniform air conditioning of the entire room this function is effective for starting the air conditioner 66
- Floor ceiling suspended dual type 66
- Wall mounted type the vertical swing flap is controlled not to blow the air directly on the person in the room 66
- When the horizontal swing and vertical swing are both set to auto mode the airflow becomes 3 d airflow the horizontal and vertical swing motions are alternated and the airflow direction changes in the order shown in the following diagram 66
- Fan speed control for indoor units 67
- Comfort airflow operation 68
- Detail the microcomputer automatically sets the temperature and airflow rate the difference between the room thermistor temperature at start up and the target temperature is divided into two zones then the unit operates in the dry mode with an appropriate capacity for each zone to maintain the temperature and humidity at a comfortable level 68
- Outline program dry operation removes humidity while preventing the room temperature from lowering since the microcomputer controls both the temperature and airflow rate the temperature adjustment and fan adjustment buttons are inoperable in this mode 68
- Program dry operation 68
- The fan speed is controlled automatically within the following steps cooling l tap mh tap same as automatic heating ml tap m tap mh tap depending on the model 68
- The latest command has the priority between powerful and comfort airflow 68
- Wall mounted type 68
- Zone a thermostat off 68
- Zone b zone b 68
- Zone c thermostat on 68
- Automatic operation 69
- Cooling dry 70
- Duct connected type 70
- Floor ceiling suspended dual type 70
- Floor standing type 70
- Function and control 70
- Main functions sibe12 816_c 70
- The monitoring time has passed while the temperature difference is in the zone b cooling dry 10 minutes heating 10 seconds 70
- The operation turns on in any zones except a 70
- The system resumes from defrost control in any zones except a 70
- The temperature difference is in the zone a 70
- The temperature difference returns to the zone c after being in the zone a 70
- Thermostat control 70
- Thermostat control is based on the difference between the room thermistor temperature and the target temperature 70
- Thermostat off condition 70
- Thermostat on condition 70
- Wall mounted type 70
- Duct connected type 71
- Floor ceiling suspended dual type 71
- Floor standing type 71
- Function and control 60 71
- Heating 71
- Refer to temperature control on page 51 for detail 71
- Sibe12 816_c main functions 71
- Wall mounted type e series g series 71
- Wall mounted type j series 71
- Cooling 72
- Detail the night set mode continues operation at the target temperature for the first one hour then automatically raises the target temperature slightly in the case of cooling or lowers it slightly in the case of heating this prevents excessive cooling in summer and excessive heating in winter to ensure comfortable sleeping conditions and also conserves electricity 72
- Duct connected type 72
- Floor ceiling suspended dual type 72
- Floor standing type 72
- Heating 72
- Night set mode 72
- Outline when the off timer is set the night set mode is automatically activated the night set mode keeps the airflow rate setting 72
- Wall mounted type 72
- Econo operation 73
- Home leave operation 74
- Area intelligent eye operation 75
- Area intelligent eye sensor is divided into 2 areas and detects humans in each area 75
- Detail 1 detection method of intelligent eye 75
- Function and control 64 75
- Image of 2 area intelligent eye 75
- Outline wall mounted type g series the following functions can be performed by a motion sensor intelligent eye 1 reduction of the capacity when there is nobody in the room in order to save electricity energy saving operation 2 dividing the room into plural areas and detecting existence of humans in each area moving the airflow direction to the area with no human automatically to avoid direct airflow on humans 75
- Sibe12 816_c main functions 75
- The microcomputer in the indoor unit carries out a sampling every 20 msec and if it detects 10 cycles of the wave in one second in total corresponding to 20 msec 10 200 msec and when the on signal continues 3 sec it judges human is in the room as the motion signal is on 75
- This sensor detects human motion by receiving infrared rays and displays the pulse wave output 75
- Airflow direction in 2 area intelligent eye operation 76
- Area a area b 76
- Detection method the opposite area of detected area is set as the target direction 76
- Detection signal on in both area a and b shift the airflow direction to area b left side 2 detection signal on in area a shift the airflow direction to area b left side 3 detection signal on in area b shift the airflow direction to area a right side 4 detection signal off in both area a and b no change 76
- For dry operation you cannot set the temperature with remote controller but internally the target temperature is shifted by 2 c 76
- Function and control 76
- In case of fan mode the fan speed reduces by 60 rpm 76
- Indoor unit 76
- Left right 76
- Main functions sibe12 816_c 76
- Motions for example in cooling 76
- Others 76
- Top view 76
- When the detection signal is off for 20 minutes in both area a and b the unit starts energy saving operation 76
- When the microcomputer does not have a signal from the sensor in 20 minutes it judges that nobody is in the room and operates the unit in temperature shifted from the target temperature cooling dry 2 c higher heating 2 c lower auto according to the operation mode at that time 76
- A microcomputer in an indoor unit carries out a sampling every 20 msec and if it detects 10 cycles of the wave in one second in total corresponding to 20 msec 10 200 msec it judges human is in the room as the motion signal is on 77
- Detail 1 detection method by intelligent eye 77
- For dry operation you cannot set the temperature with a remote controller but internally the target temperature is shifted by 2 c 77
- Function and control 66 77
- In case of fan mode the fan speed reduces by 60 rpm 77
- Intelligent eye operation 77
- Others 77
- Outline wall mounted type e series j series this is the function that detects existence of humans in the room by a human motion sensor intelligent eye and reduces the capacity when there is nobody in the room in order to save electricity 77
- Sibe12 816_c main functions 77
- The motions for example in cooling 77
- This sensor detects human motion by receiving infrared rays and displays the pulse wave output 77
- When a microcomputer does not have a signal from the sensor in 20 minutes it judges that nobody is in the room and operates the unit in temperature shifted from the target temperature cooling dry 2 c higher heating 2 c lower auto according to the operation mode at that time 77
- 40 50 rpm depending on the model 78
- Auto red blue 78
- Cool blue 78
- Detail when powerful button is pressed the fan speed and target temperature are converted to the following states for 20 minutes 78
- Dry green 78
- Ex powerful operation in cooling mode 78
- Fan white 78
- Features wall mounted type j series current operation mode is displayed in color of the lamp of the indoor unit operating status can be monitored even in automatic operation in accordance with the mode of actual operation 78
- Heat red 78
- Inverter powerful operation 78
- Multi colored indicator lamp timer lamp 78
- Outline in order to exploit the cooling and heating capacity to full extent operate the air conditioner by increasing the indoor fan rotating speed and the compressor frequency 78
- The lamp color changes according to the operation 78
- Timer orange 78
- Air purifying filter 80
- Hot start function 80
- Indoor unit on off button 80
- Other functions 80
- Photocatalytic deodorizing filter 80
- Signal receiving sign 80
- Titanium apatite photocatalytic air purifying filter 80
- Auto restart function 81
- Weekly timer operation 81
- Function of thermistor 82
- Control specification 84
- Control specification sibe12 816_c 84
- Detail cooling only model there are following models stop and cooling includes drying 84
- Function and control 84
- Heat pump model there are following modes stop cooling includes drying heating includes defrosting 84
- Mode hierarchy 84
- Note unless specified otherwise dry operation command is regarded as cooling operation an indoor fan operation cannot be made in a multiple indoor unit a forced fan command to the indoor unit from the outdoor unit is made during forced operation 84
- Outline there are two modes the one is the normal operation mode and the other is the forced operation mode for installation and providing service 84
- Determine operation mode the system judges the operation mode command which is set by each room in accordance with the procedure and determines the operation mode of the system the following procedure is taken when the modes conflict with each other 1 the system follows the mode which is set first first push first set 2 for the rooms where the different mode is set standby mode is activated the operation lamp blinks 85
- Frequency control 86
- Command frequency is determined in the following order of priority 1 limiting defrost control time 2 forced cooling heating 3 indoor frequency command 87
- D signal and is used for frequency command 87
- D signal the difference between a room thermistor temperature and the target temperature is taken as the 87
- D value of each room and a total value of q 87
- Determine lower limit frequency 87
- Determine prohibited frequency 87
- Determine upper limit frequency 87
- For heat pump model 1 determine command frequency 87
- Indoor frequency command 87
- Indoor unit capacity s value the capacity of the indoor unit is a s value and is used for frequency command 87
- Q of the operating room the room in which the thermos is set to on q value indoor unit output determined from indoor unit volume airflow rate and other factors 87
- Th off thermostat off 87
- The maximum value is set as the lower limit frequency among the frequency lower limits of the following functions four way valve operation compensation draft prevention pressure difference upkeep 87
- The minimum value is set as the upper limit frequency among the frequency upper limits of the following functions compressor protection input current discharge pipe temperature low hz high pressure limit heating peak cut freeze up protection defrost 87
- There is a certain prohibited frequency such as a power supply frequency 87
- Values depend on the type of indoor unit 87
- When starting the compressor or when conditions are varied due to the change of the operating room the frequency must be initialized according to the total of a maximum 87
- 3 minute standby 89
- Controls at mode changing start up 89
- Four way valve operation compensation 89
- Four way valve switching 89
- Preheating operation 89
- Compressor protection function 90
- Detail 90
- Discharge pipe temperature control 90
- Outline the discharge pipe temperature is used as the internal temperature of the compressor if the discharge pipe temperature rises above a certain level the upper limit of frequency is set to keep this temperature from going up further 90
- When turning the compressor from off to on the upper limit of frequency is set as follows the function is not used when defrosting 90
- Freeze up protection control 91
- Input current control 91
- Heating peak cut control 92
- Outdoor fan control 92
- Conditions for canceling defrost the target heat exchanger temperature as the canceling condition is selected in the range of e c according to the outdoor temperature 93
- Defrost control 93
- Detail 93
- Detail conditions for starting defrost 93
- Liquid compression protection function 93
- More than 30 minutes of accumulated time pass since the start of the operation or ending the previous defrosting 93
- Operation stops depending on the outdoor temperature compressor turns off under the conditions that the system is in cooling operation and outdoor temperature is below 93
- Outline defrosting is carried out by the cooling cycle reverse cycle the defrosting time or outdoor heat exchanger temperature must be more than a certain value to finish 93
- Outline in order to obtain the dependability of the compressor the compressor is stopped according to the outdoor temperature and temperature of the outdoor heat exchanger 93
- The compressor operates for 6 minutes 93
- The starting conditions is determined with the outdoor temperature and the outdoor heat exchanger temperature 93
- The system is in heating operation 93
- Electronic expansion valve control 94
- Detail the followings are the examples of control which function in each mode by the electronic expansion valve control 95
- Function and control 84 95
- Sibe12 816_c control specification 95
- Fully closing with power on 96
- Gas pipe isothermal control during cooling 96
- High discharge pipe temperature 96
- Oil recovery function 96
- Opening limit 96
- Pressure equalization control 96
- Starting operation control changing operation room 96
- Sc supercooling control 97
- Target discharge pipe temperature control 97
- Control when frequency is changed 98
- Disconnection of the discharge pipe thermistor 98
- Detection of overcurrent and overload 99
- Malfunctions 99
- Refrigerant shortage control 99
- Sensor malfunction detection 99
- Anti icing control 100
- Ffq series 60 101
- Ftxg e ctxg e flk x s fdk x s series 41 101
- Ftxs fvxs series 14 101
- Part 5 operation manual 101
- System configuration 1 2 ftxg j ctxg j series 2 101
- System configuration 102
- Appearance of the indoor unit may differ 103
- Ftxg j ctxg j series 103
- It detects the air temperature around the unit 103
- It detects the movements of people and automatically switches between normal operation and energy saving operation 103
- It receives signals from the remote controller when the unit receives a signal you will hear a beep sound 103
- Name of parts 103
- Press this switch once to start operation press once again to stop it the operation mode refer to the following table 103
- The lamp colour changes according to the operation 103
- The louvers are inside of the air outlet 103
- This switch is useful when the remote controller is missing 103
- When operation by timer has been set the multi monitor lamp periodically changes to orange after lighting orange for about 5 seconds it returns to the colour of the operation mode the multi monitor lamp will turn orange on and off in cyclic manner while the air conditioner is not in operation 103
- Open the front panel 104
- Outdoor unit 104
- Display lcd 105
- Fan setting button 105
- Front cover 105
- Model arc466a1 105
- Name of parts 105
- On off button 105
- Powerful button 105
- Remote controller 105
- Signal transmitter 105
- Temperature adjustment buttons 105
- Clock button 106
- Comfort button 106
- Econo button 106
- Ftxg j ctxg j series sibe12 816_c 106
- Intelligent eye button 106
- Mode selector button 106
- Off timer button 106
- On timer button 106
- Open the front cover 106
- Operation manual 106
- Quiet button 106
- Select button 106
- Swing button 106
- Timer cancel button 106
- Auto dry cool heat fan operation 107
- Operating conditions 108
- To change the temperature setting 108
- Adjusting the airflow direction and rate 109
- Press when the flaps have reached the desired position 109
- Caution 110
- To adjust the airflow rate setting 110
- Comfort airflow operation 111
- Press again 111
- Intelligent eye operation 112
- Press again 112
- Back to normal operation 113
- Caution 113
- Energy saving operation 113
- Intelligent eye operation 113
- Intelligent eye operation is useful for energy saving 113
- Notes on intelligent eye operation 113
- Back to normal operation 114
- Disappears from the lcd 114
- In auto operation 114
- In cool and heat operation 114
- In dry operation 114
- In fan operation 114
- Normal operation 114
- Notes on powerful operation 114
- Powerful operation 114
- Powerful operation ends in 20 minutes then the system automatically operates again with the previous settings which were used before powerful operation is displayed on the lcd 114
- Press again 114
- Press during operation 114
- Outdoor unit quiet operation 115
- Press again 115
- Econo operation 116
- Press again 116
- Press during operation 116
- Off timer operation 117
- On timer operation 118
- Using in these cases of weekly timer 119
- Weekly timer operation 119
- And reservation number 120
- Press to select the desired day of the week 120
- Press to select the desired mode 120
- To use weekly timer operation 120
- Weekly timer operation 121
- Copied 122
- Press to complete the setting 122
- Press to confirm the day of the week to be 122
- Press to select the destination day of the 122
- Press to exit confirming mode 123
- Press to select the day of the week and the 123
- Press while is displayed on the lcd 123
- Reservation number to be confirmed 123
- Weekly timer operation 123
- Deleted 124
- Hold for 5 seconds 124
- Hold for 5 seconds while normal display 124
- Press and select blank 124
- Press to select the day of the week and the 124
- Press to select the day of the week to be 124
- Reservation number to be deleted 124
- Ftxs fvxs series 125
- Illustrations are for wall mounted type as representative 125
- Manual contents and reference page 125
- Operation manual 114 125
- Sibe12 816_c ftxs fvxs series 125
- Indoor unit 126
- Names of parts 126
- Indoor unit 127
- Remote controller 128
- Caution 129
- Indoor unit 129
- Names of parts 129
- Opening the front panel 129
- Indoor unit 130
- Remote controller 131
- Auto dry cool heat fan operation 132
- To change the temperature setting 132
- To start operation 132
- To stop operation 132
- Press fan setting button 133
- To change the airflow rate setting 133
- Adjusting the airflow direction 134
- To adjust the horizontal blades flaps 134
- To adjust the vertical blades louvers 134
- Always use a remote controller to adjust the angles of the flaps and louvers if you attempt to move it forcibly with hand when it is swinging the mechanism may be broken always use a remote controller to adjust the louvers angles in side the air outlet a fan is rotating at a high speed 135
- Attention 135
- Check comfort airflow operation in the section of comfort airflow operation and intelligent eye operation 135
- Comfort airflow operation 135
- Notes on flaps and louvers angles 135
- Press either the swing button or the swing button 135
- Press the swing button and the swing button 135
- The and display will light up and the flap and louvers will move in turn 135
- Three dimensional 3 d airflow 135
- To cancel 3 d airflow 135
- To start 3 d airflow 135
- When swing button is selected the flaps swinging range depends on the operation mode see the figure 135
- Adjusting the airflow direction 136
- Notes on flap and louvers angle 136
- To adjust the horizontal blade flap 136
- To adjust the vertical blades louvers 136
- Airflow 137
- Airflow selection 137
- Caution 137
- When setting the air outlet selection switch to 137
- When setting the airflow selection switch to 137
- Comfort airflow and intelligent eye operation 138
- To cancel operation 138
- To start operation 138
- Notes on comfort airflow operation 139
- Notes on intelligent eye operation 139
- Caution 140
- Comfort airflow and intelligent eye operation 140
- Intelligent eye is useful for energy saving 140
- Notes on intelligent eye operation 140
- To combine comfort airflow operation and intelligent eye operation 140
- Powerful operation 141
- To cancel powerful operation 141
- To start powerful operation 141
- Outdoor unit quiet operation 142
- To cancel outdoor unit quiet operation 142
- To start outdoor unit quiet operation 142
- Econo operation 143
- To cancel econo operation 143
- To start econo operation 143
- Timer operation 144
- To cancel the off timer operation 144
- To use off timer operation 144
- Attention 145
- To cancel on timer operation 145
- To combine on timer and off timer 145
- To use on timer operation 145
- Example 146
- Ftxs fvxs series sibe12 816_c 146
- Operation manual 146
- Part5 fm page 135 monday january 10 2011 2 31 pm 146
- Program 1 program 2 program 3 program 4 146
- Using in these cases of weekly timer 146
- Weekly timer operation 146
- Press button 147
- Press next button 147
- Press select button to select the desired time 147
- Setting mode 147
- To use weekly timer operation 147
- Press button to complete the setting 148
- Press next button 148
- Press select button to select the desired temperature 148
- Weekly timer operation 148
- Copy mode 149
- Press button 2 149
- Press button to complete the setting 149
- Press copy button 149
- Press copy button to activate copy mode 149
- Confirming a reservation 150
- To deactivate weekly timer operation 150
- To delete reservations 150
- Weekly timer operation 150
- Note for multi system 151
- Outdoor unit quiet operation 151
- Selecting the operation mode 151
- Ftxg e ctxg e flk x s fdk x s series 152
- Illustrations are for duct connected type as representative 152
- Illustrations are for wall mounted type as representative 152
- Manual contents and reference page 152
- Remote controller 153
- Flk x s25 35 50bavmb 154
- Remote controller 154
- Fdk x s25 35eavmb fdk x s50cvmb 155
- Remote controller 155
- Auto dry cool heat fan operation 156
- To change the temperature setting 156
- To start operation 156
- To stop operation 156
- Press fan setting button 157
- To change the air flow rate setting 157
- Adjusting the air flow direction 158
- Adjusting the airflow direction 158
- To 3 d airflow 158
- To adjust the horizontal blade flap 158
- To adjust the vertical blades louvers 158
- To cancel 3 d airflow 158
- Press comfort airflow button 159
- Press comfort airflow button again 159
- To cancel comfort airflow operation 159
- To start comfort airflow operation 159
- Adjusting the airflow direction 160
- Press swing button 160
- To adjust the horizontal blade flap 160
- When the flaps have reached the desired position press swing button once more 160
- Notes on flap and louvers angles 161
- To adjust the vertical blades louvers 161
- Powerful operation 162
- To cancel powerful operation 162
- To start powerful operation 162
- Outdoor unit quiet operation 163
- To cancel outdoor unit quiet operation 163
- To start outdoor unit quiet operation 163
- Before using home leave operation 164
- Home leave operation 164
- To cancel home leave operation 164
- To start home leave operation 164
- Use as a favorite mode 165
- Use as an energy saving mode 165
- Useful in these cases 165
- What s the home leave operation 165
- Intelligent eye operation 166
- Press sensor button 166
- Press sensor button again 166
- To cancel the intelligent eye operation 166
- To start intelligent eye operation 166
- Caution 167
- Intelligent eye is useful for energy saving 167
- Notes on intelligent eye 167
- Timer operation 168
- To cancel the off timer operation 168
- To use off timer operation 168
- Attention 169
- To cancel on timer operation 169
- To combine on timer and off timer 169
- To use on timer operation 169
- Note for multi system 170
- Selecting the operation mode 170
- Ffq series 171
- Contents 172
- Indoor unit 172
- Indoor unit indoor unit 172
- Names and functions of parts 172
- Outdoor unit 172
- Precautions for group control system or two remote controller control system 172
- Unit with remote controller 172
- What to do before operation 172
- Safety precautions 173
- C to 3 175
- Installation site 175
- Operation range 175
- Pay attention to running noises too 175
- Regarding drainage of drain piping 175
- Regarding places for installation 175
- Regarding wiring 175
- Name and function of each switch and display on the remote controller 176
- O protec 176
- Operation procedure 176
- Adjustment 177
- Explanation of heating operation 177
- Fan speed control 177
- Nd program dry operation 177
- Ng heating automatic 177
- On off 177
- Operation mode selector 177
- Press fan speed control button 177
- Press on off button 177
- Press operation mode selector button several times and select the operation mode of your choice as follows 177
- Press temperature setting button and program the setting temperature 177
- Regarding outside air temperature and heating capacity 177
- Temperature setting 177
- Air flow direction adjust 178
- For example 178
- Movement of the air flow flap 178
- Press the air flow direction adjust button to select the air direction as following 178
- Press the programming time button and set the time for stopping or starting the system 178
- Press the timer mode 178
- Press the timer on off button 178
- Program timer operation 178
- Programming time 178
- Tart stop bu 178
- Timer mode start stop 178
- Timer on off 178
- Ton several times and select the mode on the display 178
- 8 maintenance for service personnel optimum operation 179
- How to clean the air filter 179
- Only a qualified service person is allowed to perform maintenance 179
- How to clean air outlet and outside panels 180
- How to clean the suction grille 180
- Not malfunction of the air conditioner 181
- Start up after a long stop 181
- What to do when stopping the system for a long period 181
- Trouble shooting 182
- Breaker 183
- Trip position switch 183
- Caution for diagnosis 75 184
- Code indication on remote controller 92 184
- Part 6 service diagnosis 184
- Problem symptoms and measures 77 3 service check function 78 184
- Troubleshooting for outdoor unit 09 184
- Troubleshooting for ra indoor unit f c txg ftxs fvxs flk x s fdk x s series 94 184
- Troubleshooting for sa indoor unit ffq series 01 184
- Check 35 185
- Caution for diagnosis 186
- Troubleshooting with led 186
- Problem symptoms and measures 188
- Arc466 series remote controller 189
- Ra indoor unit f c txg ftxs fvxs flk x s fdk x s series 189
- Service check function 189
- Arc452 series remote controller 192
- Check method 1 1 when the timer cancel button is held down for 5 seconds 192
- Indication appears on the temperature display section 192
- Note 1 a short beep pi and two consecutive beeps pi pi indicate non corresponding codes 2 to return to the normal mode hold the timer cancel button down for 5 seconds when the remote controller is left untouched for 60 seconds it also returns to the normal mode 192
- Press the timer cancel button repeatedly until a long beep sounds 192
- The code indication changes in the sequence shown below 192
- Arc433 series remote controller 195
- Check method 1 1 when the timer cancel button is held down for 5 seconds 195
- Indication appears on the temperature display section 195
- Note 1 a short beep pi and two consecutive beeps pi pi indicate non corresponding codes 2 to return to the normal mode hold the timer cancel button down for 5 seconds when the remote controller is left untouched for 60 seconds it also returns to the normal mode 195
- Press the timer cancel button repeatedly until a long beep sounds 195
- Timer cancel button 195
- And the operation mode automatically switches from the inspection mode to the normal mode displaying the set temperature 198
- Explanation if operation stops due to malfunction the operation lamp on the remote controller blinks and error code is displayed even if stop operation is carried out malfunction contents are displayed when inspection mode is entered the error code enables you to tell what kind of malfunction caused operation to stop refer to page 192 193 for error code and malfunction contents 198
- Fault diagnosis by wired remote controller 198
- Inspection test button 198
- Normal the unit no changes to 198
- Note 1 when you press the inspection test button the inspection display blinks 2 while in the inspection mode press the on off button for 5 seconds or more to clear the failure history indication in this case the error code blinks twice and then changes to 198
- Sa indoor unit ffq series 198
- The following modes can be selected by using the inspection test button on the remote controller 198
- Checking to find the error code proceed as follows 199
- Fault diagnosis by wireless remote controller 199
- Introduction contrary to the wired remote controller the wireless remote controller does not display the error code instead the operation led on the light reception section flashes 199
- Mode button 200
- Up button down button 200
- Mode button 201
- Up button down button 201
- Mode button 202
- Up button down button 202
- Code indication on remote controller 203
- Error code displays automatically and system stops inspect and repair it in the case of the shaded error codes inspection is not displayed the system operates but be sure to inspect and repair it 203
- Note there is a possibility of open phase power supply also check power supply 203
- Ra indoor unit f c txg ftxs fvxs flk x s fdk x s series 203
- Sa indoor unit ffq series 203
- Displayed only when system down occurs 204
- Outdoor unit 204
- Defective indoor unit pcb 205
- Disconnection of connector 205
- Indoor unit pcb abnormality 205
- Malfunction decision conditions 205
- Method of malfunction detection 205
- Note check the following connector 205
- Remote controller display 205
- Supposed causes 205
- The system cannot set the internal settings 205
- The system checks if the circuit works properly within the microcomputer of the indoor unit 205
- Troubleshooting 205
- Troubleshooting for ra indoor unit f c txg ftxs fvxs flk x s fdk x s series 205
- Wrong models interconnected 205
- Freeze up protection control or heating peak cut control 206
- Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 207
- Caution 207
- Check no 6 refer to p 38 207
- Service diagnosis 196 207
- Sibe12 816_c troubleshooting for ra indoor unit f c txg ftxs fvxs flk x s fdk x s series 207
- Troubleshooting 207
- Ac motor duct connected type floor ceiling suspended dual type 208
- Breaking of the fan motor lead wires 208
- Breaking of wire inside the fan motor 208
- Check no 6 refer to p 46 208
- Defective capacitor of the fan motor 208
- Defective indoor unit pcb 208
- Fan motor or related abnormality 208
- Layer short inside the fan motor winding 208
- Malfunction decision conditions 208
- Method of malfunction detection 208
- Remote controller display 208
- Supposed causes 208
- The detected rotation speed does not reach the demanded rotation speed of the target tap and is less than 50 of the maximum fan motor rotation speed 208
- The rotation speed detected by the hall ic during fan motor operation is used to determine abnormal fan motor operation 208
- Troubleshooting 208
- Dc motor wall mounted type floor standing type 209
- Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 210
- Caution 210
- Check no 1 refer to p 35 210
- Service diagnosis 210
- Troubleshooting 210
- Troubleshooting for ra indoor unit f c txg ftxs fvxs flk x s fdk x s series sibe12 816_c 210
- Thermistor or related abnormality indoor unit 211
- Indoor unit pcb abnormality 212
- Troubleshooting for sa indoor unit ffq series 212
- Drain water level system abnormality 213
- Is detected by the indoor unit pcb which is not mounted with x15a the indoor unit pcb is defective 214
- Note if 214
- Service diagnosis 214
- Troubleshooting 214
- Troubleshooting for sa indoor unit ffq series sibe12 816_c 214
- Broken or disconnected wire 215
- Defective contact 215
- Defective indoor fan motor 215
- Defective indoor unit pcb 215
- Fan motor or related abnormality 215
- Malfunction decision conditions 215
- Remote controller display 215
- Supposed causes 215
- Troubleshooting 215
- When the fan rotations are not detected while the output voltage to the fan is at its maximum 215
- Defective float switch 216
- Defective indoor unit pcb 216
- Drain system abnormality 216
- Error in the drain pipe installation 216
- Malfunction decision conditions 216
- Problems can also occur in the optional drain pump 216
- Remote controller display 216
- Supposed causes 216
- Troubleshooting 216
- When the float switch changes from on to off while the compressor is off 216
- Thermistor or related abnormality 217
- Caution be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 218
- Service diagnosis 218
- Troubleshooting 218
- Troubleshooting for sa indoor unit ffq series sibe12 816_c 218
- Remote controller air thermistor abnormality 219
- Anti icing control for indoor unit 220
- Troubleshooting for outdoor unit 220
- Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 221
- Caution 221
- Check no 4 refer to p 36 221
- Check no 6 refer to p 38 221
- Service diagnosis 210 221
- Sibe12 816_c troubleshooting for outdoor unit 221
- Troubleshooting 221
- A compressor overload is detected through compressor ol 222
- Check no 1 refer to p 41 222
- Check no 4 refer to p 36 222
- Check no 5 refer to p 37 222
- Check no 6 refer to p 38 222
- Defective electronic expansion valve 222
- Defective four way valve 222
- Defective outdoor unit pcb 222
- Defective stop valve 222
- If the error repeats twice the system is shut down 222
- Malfunction decision conditions 222
- Method of malfunction detection 222
- Ol activation compressor overload 222
- Refrigerant shortage 222
- Remote controller display 222
- Reset condition continuous run for about 60 minutes without any other error 222
- Supposed causes 222
- The operating temperature condition is not specified 222
- Troubleshooting 222
- Water mixed in refrigerant 222
- A compressor lock is detected by checking the compressor running condition through the position detection circuit 223
- Check no 4 refer to p 43 223
- Compressor harness disconnected 223
- Compressor lock 223
- Compressor locked 223
- If the error repeats 16 times the system is shut down 223
- Judging from the current waveform generated when high frequency voltage is applied to the compressor 223
- Malfunction decision conditions 223
- Method of malfunction detection 223
- Remote controller display 223
- Reset condition continuous run for about 11 minutes without any other error 223
- Supposed causes 223
- Troubleshooting 223
- An error is determined with the high voltage fan motor rotation speed detected by the hall ic 224
- Check no 5 refer to p 45 224
- Dc fan lock 224
- Defective fan motor 224
- Disconnection of the fan motor 224
- Foreign matters stuck in the fan 224
- If the error repeats the system is shut down 224
- Malfunction decision conditions 224
- Method of malfunction detection 224
- Remote controller display 224
- Reset condition continuous run for about 11 minutes without any other error 224
- Supposed causes 224
- The fan does not start in 60 seconds even when the fan motor is running 224
- Troubleshooting 224
- Check no 4 refer to p 43 225
- Check no 7 refer to p 39 225
- Check no 8 refer to p 40 225
- Defective compressor 225
- Defective inverter main circuit electrolytic capacitor 225
- Defective outdoor unit pcb 225
- Defective power transistor 225
- Detected by checking the input current value 225
- Input overcurrent detection 225
- Malfunction decision conditions 225
- Method of malfunction detection 225
- Remote controller display 225
- Short circuit 225
- Supposed causes 225
- The compressor halts if the error occurs and restarts automatically after 3 minute standby 225
- The input current is at a certain value depending on the condition for 2 seconds 225
- Troubleshooting 225
- Discharge pipe temperature control 226
- Check no 4 refer to p 36 227
- Check no 6 refer to p 38 227
- Check no 7 refer to p 39 227
- Check no 8 refer to p 40 227
- Check no 9 refer to p 40 227
- Defective electronic expansion valve 227
- Defective outdoor heat exchanger thermistor 227
- Defective outdoor unit fan 227
- Defective outdoor unit pcb 227
- Defective stop valve 227
- Dirty outdoor heat exchanger 227
- High pressure control in cooling 227
- High pressure control operation halt frequency drop etc is activated in cooling mode if the temperature sensed by the outdoor heat exchanger thermistor exceeds the limit 227
- Malfunction decision conditions 227
- Method of malfunction detection 227
- Remote controller display 227
- Supposed causes 227
- The error is cleared when the temperature drops below about 227
- The installation space is not large enough 227
- The temperature sensed by the outdoor heat exchanger thermistor rises above about 227
- Troubleshooting 227
- Compressor sensor system abnormality 228
- Position sensor abnormality 229
- Caution be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 230
- Check no 4 refer to p 43 230
- Check no 8 refer to p 40 230
- Check no 9 refer to p 46 230
- Service diagnosis 230
- Troubleshooting 230
- Troubleshooting for outdoor unit sibe12 816_c 230
- Dc voltage current sensor abnormality 231
- Thermistor or related abnormality outdoor unit 232
- Caution 233
- Check no 6 refer to p 38 233
- Discharge pipe thermistor 233
- Gas pipe thermistor 233
- Liquid pipe thermistor 233
- Outdoor heat exchanger thermistor 233
- Outdoor temperature thermistor 233
- Service diagnosis 222 233
- Sibe12 816_c troubleshooting for outdoor unit 233
- Troubleshooting in case of 233
- Electrical box temperature rise 234
- Radiation fin temperature rise 235
- Caution 236
- Check no 7 refer to p 39 236
- Check no 9 refer to p 40 236
- Class 95 50 class 92 236
- Note refer to application of silicon grease to a power transistor and a diode bridge on page 286 for detail 236
- Service diagnosis 236
- Troubleshooting 236
- Troubleshooting for outdoor unit sibe12 816_c 236
- Output overcurrent detection 237
- Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 238
- Caution 238
- Check no 3 refer to p 42 238
- Check no 4 refer to p 43 238
- Check no 7 refer to p 39 238
- Check no 8 refer to p 40 238
- Service diagnosis 238
- Troubleshooting 238
- Troubleshooting for outdoor unit sibe12 816_c 238
- Refrigerant shortage 239
- Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 240
- Caution 240
- Check no 4 refer to p 36 240
- Check no 6 refer to p 38 240
- Service diagnosis 240
- Troubleshooting 240
- Troubleshooting for outdoor unit sibe12 816_c 240
- An over voltage signal is fed from the over voltage detection circuit to the microcomputer 241
- Defective dc voltage detection circuit 241
- Defective over voltage detection circuit 241
- Defective pam control part 241
- If the error repeats the system is shut down 241
- Low voltage detection 241
- Low voltage detection an abnormal voltage drop is detected by the dc voltage detection circuit 241
- Low voltage detection or over voltage detection 241
- Malfunction decision conditions 241
- Method of malfunction detection 241
- Over voltage detection 241
- Over voltage detection an abnormal voltage rise is detected by the over voltage detection circuit 241
- Remote controller display 241
- Reset condition continuous run for about 60 minutes without any other error 241
- Supply voltage is not as specified 241
- Supposed causes 241
- The compressor stops if the error occurs and restarts automatically after 3 minute standby 241
- The voltage detected by the dc voltage detection circuit is below 180 v 241
- Troubleshooting 241
- Outdoor unit pcb abnormality or signal transmission error 242
- Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 243
- Caution 243
- Service diagnosis 232 243
- Sibe12 816_c troubleshooting for outdoor unit 243
- Troubleshooting 243
- Check no 0 refer to p 41 244
- Service diagnosis 244
- Troubleshooting for outdoor unit sibe12 816_c 244
- Anti icing control in other room unspecified voltage between indoor unit and outdoor unit 245
- Check no 1 1 check the connection of connector 2 check motor power supply voltage output pins 4 7 3 check motor control voltage pins 4 3 4 check rotation command voltage output pins 4 2 5 check rotation pulse input pins 4 1 246
- Fan motor connector output check 246
- How to check 246
- Check no 4 conduct the followings to check the electronic expansion valve ev 1 check to see if the ev connector is correctly inserted in the pcb match the ev unit number and the connector number 2 turn the power off and on again and check to see if all the evs generate latching sound 3 if any of the evs does not generate latching sound in the above step 2 disconnect that connector and check the continuity using a tester check the continuity between the pins 1 6 and 3 6 and between the pins 2 5 and 4 5 if there is no continuity between the pins the ev coil is faulty 4 if no ev generates latching sound in the above step 2 the outdoor unit pcb is faulty 5 if the continuity is confirmed in the above step 3 mount a good coil which generated latching sound in the ev unit that did not generate latching sound and check to see if that ev generates latching sound 247
- Electronic expansion valve check 247
- If latching sound is generated the outdoor unit pcb is faulty 247
- If latching sound is not generated the ev unit is faulty 247
- If the system keeps operating with a defective electronic expansion valve the following problem may occur 247
- Note please note that the latching sound varies depending on the valve type 247
- Check no 5 248
- Check sibe12 816_c 248
- Four way valve performance check 248
- Service diagnosis 248
- Check no 6 disconnect the connectors of the thermistors from the pcb and measure the resistance of each thermistor using tester the relationship between normal temperature and resistance is shown in the graph and the table below 249
- For the models in which the thermistor is directly mounted on the pcb disconnect the connector for the pcb and measure 249
- Thermistor resistance check 249
- Check no 7 250
- Check sibe12 816_c 250
- Installation condition check 250
- Service diagnosis 250
- Check no 8 251
- Check no 9 dc motor 251
- Discharge pressure check 251
- Outdoor unit fan system check 251
- Service diagnosis 240 251
- Sibe12 816_c check 251
- Check no 0 measure the power supply waveform between no 1 and no 2 on the terminal board and check the waveform disturbance 252
- Check no 1 252
- Check sibe12 816_c 252
- Check to see if the power supply waveform is a sine wave fig 252
- Check to see if there is waveform disturbance near the zero cross sections circled in fig 252
- Fig fig 252
- Inverter units refrigerant system check 252
- Power supply waveforms check 252
- Service diagnosis 252
- Check no 3 253
- Disconnect the compressor harness connector from the outdoor unit pcb to disengage the connector press the protrusion on the connector 253
- Follow the procedure below to measure resistance between the terminals of the db1 and the terminals of the compressor with a multi tester evaluate the measurement results for a judgment 253
- Note check to make sure that the voltage between and of the diode bridge db1 is approx 0 v before checking 253
- Power module check 253
- Inverter checker check 254
- Rotating pulse input on the outdoor unit pcb check 256
- Hall ic check 257
- Main circuit short check 257
- Outdoor unit 48 258
- Part 7 removal procedure 258
- Outdoor unit 259
- Removal of outer panels 259
- Removal of electrical box 261
- Lift and remove the electrical box 265
- Removal of pcb 266
- Release the earth wire from the hook 267
- Remove the 2 screws and detach the clip to remove the radiation shield plate 267
- Lift up the pcb 269
- Release the lead wires from the hooks and remove the terminal boards 269
- Remove the pcb 269
- Removal of sound blanket 271
- Removal of outdoor fan fan motor 273
- Release the fan motor lead wire 274
- Remove the fan motor fixing frame 274
- Remove the screw of the fan motor fixing frame 274
- Removal of thermistors 276
- Removal of four way valve electronic expansion valve 278
- Removal of compressor 281
- Application of silicon grease to a power transistor and a diode bridge 86 283
- Field settings 78 283
- Part 8 trial operation and field settings 283
- Pump down operation 73 2 forced operation mode 74 3 trial operation 75 283
- Pump down operation 284
- Detail 285
- Ex wall mounted type g series 285
- Forced operation mode 285
- Outline forced operation mode includes only forced cooling 285
- 2 4 5 1 6 286
- Ra indoor unit f c txg ftxs fvxs flk x s fdk x s series 286
- Trial operation 286
- 2 3 4 1 5 287
- Check that the temperature setting of the remote controller is at the lowest level in cooling mode or use trial operation mode 288
- Checkpoints for trial operation 288
- Go through the following checklist 288
- Open the gas stop valve 2 open the liquid stop valve 3 electrify for 6 hours 4 set to cooling operation with the remote controller and start operation by pressing on off button 5 press the inspection test button 4 times 2 times for wireless remote controller and operate at trial operation mode for 3 minutes 6 press the airflow direction adjust button to make sure the unit is in operation 7 press the inspection test button and operate normally 8 confirm all the function of unit according to the operation manual 9 if the decoration panel has not been installed turn off the power after the trial operation 288
- Sa indoor unit ffq series 288
- To carry out a trial operation check the following 288
- Trial operation 288
- Field settings 289
- Model type setting 289
- Ra indoor unit f c txg ftxs fvxs flk x s fdk x s series 289
- When 2 units are installed in 1 room 289
- 1 remove the front grille 2 lift the sensor pcb fixing plate and remove the front shield plate 3 disconnect the connectors s1 s41 s42 4 remove the electric box 1 screw 5 pull out the indoor heat exchanger thermistor 6 remove the shield plate 8 tabs 7 cut the address jumper ja on the indoor unit pcb 8 cut the address jumper j4 in the remote controller refer to wireless remote controller 290
- Address 290
- Address ja 290
- Field settings sibe12 816_c 290
- G series 290
- Trial operation and field settings 290
- Cut the jumper ja on pcb 291
- Sibe12 816_c field settings 291
- Trial operation and field settings 280 291
- Wireless remote controller 1 remove the cover and take it off 2 cut the address setting jumper 291
- For the location of the jumper and the switch refer to the following pages wall mounted type page 32 34 37 floor standing type page 40 floor ceiling suspended dual type page 42 duct connected type page 44 292
- Jumper and switch settings 292
- How to change the field settings with the wired remote controller 293
- Sa indoor unit ffq series 293
- How to change the field settings with the wireless remote controller 294
- Factory setting 295
- Main sub setting when using two remote controllers 295
- Overview of the field settings 295
- Setting the remote controllers are factory set to main so you only have to change one remote controller from main to sub to change a remote controller from main to sub proceed as follows 295
- Situation the main sub setting is necessary when one indoor unit is controlled by two remote controllers when you use two remote controllers control panel and separate remote controller set one to main and the other to sub you can do this by setting the switch on the remote controller s pcb 295
- Jumper settings 296
- Location of the jumpers 296
- Outdoor unit 296
- Application of silicon grease to a power transistor and a diode bridge 297
- Diode bridge diode bridge rectifier stack etc 297
- Ng foreign object ok evenly applied silicon grease ng not evenly applied 297
- Not applied paper waste 297
- Power transistor trm tpm igbt ipm spm etc 297
- Take out a pcb 297
- Part 9 appendix 298
- Piping diagrams 88 298
- Wiring diagrams 94 298
- Indoor unit 299
- Piping diagrams 299
- Wall mounted type 299
- Appendix 300
- Floor standing type 300
- Ftxs20 25 35 42g2v1b ftxs50g2v1b 300
- Fvxs25 35fv1b fvxs50fv1b 300
- Piping diagrams sibe12 816_c 300
- Appendix 290 301
- Flks25 35bavmb flks50bavmb 301
- Floor ceiling suspended dual type 301
- Flxs25 35bavmb flxs50bavmb 301
- Sibe12 816_c piping diagrams 301
- Appendix 302
- Ceiling mounted cassette type 302
- Duct connected type 302
- Fdk x s25 35eavmb fdk x s50cvmb 302
- Ffq25 35 50b8v1b 302
- Piping diagrams sibe12 816_c 302
- Appendix 292 303
- Cooling only 303
- Mks40gv1b 2mks40g2v1b 303
- Mks50gv1b 2mks50g2v1b 303
- Outdoor unit 303
- Sibe12 816_c piping diagrams 303
- Appendix 304
- Heat pump 304
- Mxs40gv1b 2mxs40g2v1b 304
- Mxs50gv1b 2mxs50g2v1b 304
- Piping diagrams sibe12 816_c 304
- Ftxg25 35ev1bw s ctxg50ev1bw s 305
- Ftxg25 35jv1bw s ctxg50jv1bw s 305
- Indoor unit 305
- Wall mounted type 305
- Wiring diagrams 305
- Appendix 306
- D055953a 306
- D058246c 306
- Floor standing type 306
- Ftxs20 25 35 42 50g2v1b 306
- Fvxs25 35 50fv1b 306
- Wiring diagrams sibe12 816_c 306
- Appendix 296 307
- D033909f 307
- D045012l 307
- Duct connected type 307
- Fdk x s25 35eavmb fdk x s50cvmb 307
- Field wiring 307
- Flk x s25 35 50bavmb 307
- Floor ceiling suspended dual type 307
- Sibe12 816_c wiring diagrams 307
- Transmission 307
- Appendix 308
- Ceiling mounted cassette type 308
- Ffq25 35 50b8v1b 308
- Wiring diagrams sibe12 816_c 308
- Appendix 298 309
- Cooling only 309
- Mks40gv1b 2mks40g2v1b 309
- Mks50gv1b 2mks50g2v1b 309
- Outdoor unit 309
- Sibe12 816_c wiring diagrams 309
- Appendix 310
- Heat pump 310
- Mxs40gv1b 2mxs40g2v1b 310
- Mxs50gv1b 2mxs50g2v1b 310
- Wiring diagrams sibe12 816_c 310
- Revision history 311
- Air conditioners should not be installed in areas where corrosive gases such as acid gas or alkaline gas are produced 2 if the outdoor unit is to be installed close to the sea shore direct exposure to the sea breeze should be avoided if you need to install the outdoor unit close to the sea shore contact your local distributor 312
- Ask a qualified installer or contractor to install this product do not try to install the product yourself improper installation can result in water or refrigerant leakage electrical shock fire or explosion 312
- Cautions on product corrosion 312
- Daikin industries ltd s products are manufactured for export to numerous countries throughout the world daikin industries ltd does not have control over which products are exported to and used in a particular country prior to purchase please therefore confirm with your local authorised importer distributor and or retailer whether this product conforms to the applicable standards and is suitable for use in the region where the product will be used this statement does not purport to exclude restrict or modify the application of any local legislation 312
- Dealer 312
- Http www daikin com global_ac 312
- If you have any enquiries please contact your local importer distributor and or retailer 312
- Read the user s manual carefully before using this product the user s manual provides important safety instructions and warnings be sure to follow these instructions and warnings 312
- Sibe12 816_c printed in japan 01 2011 b ak 312
- Use only those parts and accessories supplied or specified by daikin ask a qualified installer or contractor to install those parts and accessories use of unauthorised parts and accessories or improper installation of parts and accessories can result in water or refrigerant leakage electrical shock fire or explosion 312
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