![Daikin FVXS25FV1B [249/355] Displayed the system will be reset itself but this stop will be put in the error history memory](/img/pdf.png)
Daikin FVXS25FV1B [249/355] Displayed the system will be reset itself but this stop will be put in the error history memory
![Daikin FTXS71FV1B [249/355] Displayed the system will be reset itself but this stop will be put in the error history memory](/views2/1720422/page249/bgf9.png)
Troubleshooting SiBE12-713
238 Service Diagnosis
Troubleshooting
Check No.06
Refer to P.279
Note: If the outside temperature is below –10°C in the cooling mode, the system may get interrupted
with error
A5
displayed. The system will be reset itself, but this stop will be put in the error history
memory.
NO
NO
NO
Check No. 06
Indoor unit heat exchanger
thermistor check
Check the intake air filter.
Check the air passage.
YES
YES
(R4695)
Check the dust accumulation on
the indoor unit heat exchanger.
YES
YES
Is there any
short-circuit?
Is it very dirty?
Is it very dirty?
Does it conform to
the thermistor characteristic
chart?
NO
Provide sufficient air passage.
Clean the air filter.
Clean the heat exchanger.
Replace the indoor unit PCB.
Replace the thermistor
(replace the indoor unit PCB).
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Содержание
- F series 1
- Sibe12 713 1
- Cooling only indoor unit 2
- Heat pump indoor unit 2
- Outdoor unit 2
- Super multi nx f series 2
- Table of contents 2
- Control specification 2 3
- Function of main structural parts 7 3
- Introduction v 3
- List of functions 3
- Main functions 0 3
- Part 1 list of functions 3
- Part 2 specifications 3 3
- Part 3 printed circuit board connector wiring diagram 7 3
- Part 4 function and control 9 3
- Printed circuit board connector wiring diagram 8 3
- Specifications 4 3
- Caution for diagnosis 26 4
- Code indication on the remote controller 33 4
- Instruction 05 4
- Part 5 operation manual 03 4
- Part 6 service diagnosis 25 4
- Problem symptoms and measures 28 3 service check function 29 4
- System configuration 04 4
- Troubleshooting 34 4
- Check 76 5
- Drawings flow charts v 5
- Index i 5
- Others 20 5
- Outdoor unit 88 5
- Part 7 removal procedure 87 5
- Part 8 others 19 5
- Part 9 appendix 23 5
- Piping diagrams 24 5
- Wiring diagrams 31 5
- Cautions regarding safety of workers 6
- Introduction 6
- Safety cautions 6
- Warning 6
- Caution 7
- Warning 7
- Cautions regarding safety of users 8
- Warning 8
- Caution 9
- Warning 9
- Caution 10
- Icons are used to attract the attention of the reader to specific information the meaning of each icon is described in the table below 10
- Used icons 10
- List of functions 12
- Part 1 list of functions 12
- Cooling only models 13
- Holding functions no functions 13
- List of functions 13
- List of functions sibe12 713 13
- Holding functions no functions 14
- List of functions 3 14
- Sibe12 713 list of functions 14
- Holding functions no functions 15
- List of functions 15
- List of functions sibe12 713 15
- Holding functions no functions 16
- List of functions 5 16
- Sibe12 713 list of functions 16
- Holding functions no functions 17
- List of functions 17
- List of functions sibe12 713 17
- Heat pump models 18
- Holding functions no functions 18
- List of functions 7 18
- Sibe12 713 list of functions 18
- Holding functions no functions 19
- List of functions 19
- List of functions sibe12 713 19
- Holding functions no functions 20
- List of functions 9 20
- Sibe12 713 list of functions 20
- List of functions 21
- List of functions sibe12 713 21
- Holding functions no functions 22
- List of functions 11 22
- Sibe12 713 list of functions 22
- Holding functions no functions 23
- List of functions 23
- List of functions sibe12 713 23
- Part 2 specifications 24
- Specifications 4 24
- Indoor units cooling only 25
- Specifications 25
- Specifications sibe12 713 25
- Wall mounted type 50hz 230v 25
- Hz 230v 26
- Sibe12 713 specifications 26
- Specifications 15 26
- Hz 230v 27
- Specifications 27
- Specifications sibe12 713 27
- Hz 230v 28
- Sibe12 713 specifications 28
- Specifications 17 28
- Duct connected type 50hz 230v 29
- Specifications 29
- Specifications sibe12 713 29
- Hz 230v 30
- Sibe12 713 specifications 30
- Specifications 19 30
- Floor ceiling suspended dual type 50hz 230v 31
- Specifications 31
- Specifications sibe12 713 31
- Floor standing type 50hz 230v 32
- Sibe12 713 specifications 32
- Specifications 21 32
- Ceiling suspended type 50hz 230v 33
- Specifications 33
- Specifications sibe12 713 33
- Hz 230v 34
- Outdoor units cooling only 34
- Sibe12 713 specifications 34
- Specifications 23 34
- Hz 230v 35
- Indoor units heat pump 35
- Specifications 35
- Specifications sibe12 713 35
- Wall mounted type 35
- Hz 230v 36
- Sibe12 713 specifications 36
- Specifications 25 36
- Hz 230v 37
- Specifications 37
- Specifications sibe12 713 37
- Hz 230v 38
- Sibe12 713 specifications 38
- Specifications 27 38
- Hz 230v 39
- Specifications 39
- Specifications sibe12 713 39
- Hz 230v 40
- Sibe12 713 specifications 40
- Specifications 29 40
- Duct connected type 50hz 230v 41
- Specifications 41
- Specifications sibe12 713 41
- Hz 230v 42
- Sibe12 713 specifications 42
- Specifications 31 42
- Floor ceiling suspended dual type 50hz 230v 43
- Specifications 43
- Specifications sibe12 713 43
- Floor standing type 50hz 230v 44
- Sibe12 713 specifications 44
- Specifications 33 44
- Ceiling suspended type 50hz 230v 45
- Specifications 45
- Specifications sibe12 713 45
- Hz 230v 46
- Outdoor units heat pump 46
- Sibe12 713 specifications 46
- Specifications 35 46
- Part 3 printed circuit board connector wiring diagram 48
- Printed circuit board connector wiring diagram 8 48
- Ftk x s20 50d 49
- Printed circuit board connector wiring diagram 49
- Wall mounted type 49
- Pcb 2 signal receiver pcb pcb 3 display pcb 50
- Pcb 4 intelligent eye sensor pcb 50
- Pcb detail pcb 1 control pcb 50
- Printed circuit board connector wiring diagram 39 50
- Sibe12 713 printed circuit board connector wiring diagram 50
- Ftk x s20 35c 51
- Printed circuit board connector wiring diagram 41 52
- Sibe12 713 printed circuit board connector wiring diagram 52
- Pcb 3 intelligent eye sensor pcb 53
- Pcb detail pcb 1 control pcb pcb 2 signal receiver pcb 53
- Printed circuit board connector wiring diagram 53
- Printed circuit board connector wiring diagram sibe12 713 53
- Ftk x s50 71f 54
- Pcb 2 signal receiver pcb pcb 3 buzzer pcb 55
- Pcb 4 display pcb pcb 5 intelligent eye sensor pcb 55
- Pcb detail pcb 1 control pcb indoor unit 55
- Printed circuit board connector wiring diagram 55
- Printed circuit board connector wiring diagram sibe12 713 55
- Ftxg25 35e ctxg50e 56
- Pcb 2 signal receiver pcb 57
- Pcb 3 intelligent eye sensor pcb 57
- Pcb detail pcb 1 control pcb indoor unit 57
- Printed circuit board connector wiring diagram 57
- Printed circuit board connector wiring diagram sibe12 713 57
- Duct connected type 58
- Pcb detail pcb 2 display pcb 59
- Floor ceiling suspended dual type 60
- Pcb 3 display pcb 62
- Pcb 4 signal receiver pcb 62
- Printed circuit board connector wiring diagram 51 62
- Sibe12 713 printed circuit board connector wiring diagram 62
- Floor standing type 63
- Pcb 2 control pcb 64
- Pcb 3 service pcb pcb 3 display pcb 64
- Pcb detail pcb 1 sensor pcb 64
- Printed circuit board connector wiring diagram 53 64
- Sibe12 713 printed circuit board connector wiring diagram 64
- Ceiling suspended type 65
- Ec0606 a 66
- Pcb detail 66
- Printed circuit board connector wiring diagram 55 66
- Sibe12 713 printed circuit board connector wiring diagram 66
- Outdoor units 67
- Pcb detail pcb 1 main pcb 68
- Printed circuit board connector wiring diagram 57 68
- Sibe12 713 printed circuit board connector wiring diagram 68
- Pcb 2 service monitor pcb 69
- Control specification 2 70
- Function of main structural parts 7 70
- Main functions 0 70
- Part 4 function and control 70
- Additional control parameters 71
- Drawing of inverter the following drawing shows a schematic view of the inverter principle 71
- Forced cooling heating operation 71
- Frequency principle 71
- Frequency restrictions 71
- Initial settings 71
- Inverter principle to regulate the capacity a frequency control is needed the inverter makes it possible to vary the rotation speed of the compressor the following table explains the conversion principle 71
- Main control parameters the compressor is frequency controlled during normal operation the target frequency is set by the following 2 parameters coming from the operating indoor unit 71
- Main functions 71
- Note see the list of functions for the functions applicable to different models 71
- The difference between the room temperature and the set temperature 71
- The load condition of the operating indoor unit 71
- The target frequency is adapted by additional parameters in the following cases 71
- Comfortable air conditioning a detailed adjustment is integrated to ensure a fixed room temperature it is possible to air condition with a small room temperature variation 72
- Energy saving heating and cooling once the set temperature is reached the energy saving operation enables to maintain the room temperature at low power 72
- Even during extreme cold weather the high capacity is achieved it is maintained even when the outdoor air temperature is 2 c 72
- Forced cooling heating operation for more information refer to forced operation mode on page 97 72
- Frequency limits the following table shows the functions that define the minimum and maximum frequency 72
- Inverter features the inverter provides the following features 72
- Quick heating and quick cooling the compressor rotational speed is increased when starting the heating or cooling this enables a quick set temperature 72
- The regulating capacity can be changed according to the changes in the outdoor air temperature and cooling heating load 72
- Power airflow dual flaps wide angle louvers and auto swing 73
- Ftk x s20 50d the vertical swing flap is controlled not to blow the air directly on the person in the room 74
- The airflow rate is controlled automatically within the following steps cooling l tap mh tap same as automatic heating ml tap m tap 74
- The latest command has the priority between powerful and comfort airflow 74
- Control flow 75
- 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 75
- Ftxg25 35e ctxg50e 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 75
- Function and control 75
- Main functions sibe12 713 75
- Operation starting control 75
- Timing chart 75
- Automatic air flow control for cooling 76
- Automatic air flow control for heating 76
- Control mode the airflow rate can be automatically controlled depending on the difference between the set temperature and the room temperature this is done through phase control and hall ic control 76
- Fan speed control for indoor units 76
- For more information about hall ic refer to the troubleshooting for fan motor on page 239 76
- Note 1 fan stops during defrost operation 2 in time of thermostat off the fan rotates at the following speed cooling the fan keeps rotating at the set tap heating the fan stops 76
- On heating mode the indoor fan speed will be regulated according to the indoor heat exchanger temperature and the difference between the room temperature and the required set point 76
- Phase steps phase control and fan speed control contains 9 steps lll ll sl l ml m mh h and hh in automatic operation the step sl is not available 76
- The following drawing explains the principle of fan speed control for cooling 76
- Within this range the airflow rate is automatically controlled when the fan setting button is set to automatic 76
- In case of inverter units the microcomputer automatically sets the temperature and fan settings the difference between the room temperature at startup and the temperature set by the microcomputer 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 77
- Programme dry function 77
- Programme dry function removes humidity while preventing the room temperature from lowering since the microcomputer controls both the temperature and air flow volume the temperature adjustment and fan adjustment buttons are inoperable in this mode 77
- Zone a thermostat off 77
- Zone b zone b 77
- Zone c thermostat on 77
- Automatic operation 78
- Cooling dry 79
- Duct connected type 79
- Floor ceiling suspended type 79
- Floor standing type 79
- Function and control 79
- Heating 79
- Main functions sibe12 713 79
- The monitoring time has passed while the temperature difference is in the zone b cooling dry 10 minutes heating 10 seconds 79
- The operation turns on in any zones except a 79
- The system resumes from defrost control in any zones except a 79
- The temperature difference is above the zone c after being in the zone a 79
- The temperature difference is in the zone a 79
- Thermostat control 79
- Thermostat control is based on the difference between the room temperature and the setpoint 79
- Thermostat off condition 79
- Thermostat on condition 79
- Wall mounted type 79
- Night set mode 80
- Econo mode 81
- 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 20msec 10 100msec it judges human is in the room as the motion signal is on 82
- Function and control 71 82
- In case of fan mode the fan speed reduces by 50 rpm 82
- Intelligent eye wall mounted type only 82
- Processing 1 detection method by intelligent eye 82
- Sibe12 713 main functions 82
- The motions for example in cooling 82
- 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 no human in the room in order to save electricity 82
- This sensor detects human motion by receiving infrared rays and displays the pulse wave output 82
- When a microcomputer doesn t have a signal from the sensor in 20 minutes it judges that nobody is in the room and operates the unit in temperature shifted 2 c from the set temperature cooling 2 c higher dry 1 c higher and auto according to the operation mode at that time 82
- Home leave operation 84
- Details of the control when powerful button is pushed in each operation mode the fan speed setting temperature will be converted to the following states in a period of twenty minutes 85
- Ex powerful operation in cooling mode 85
- In case of ftk x s20 50d 85
- Inverter powerful operation 85
- 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 85
- Refer to fan speed control on page 65 for detail 85
- An on off button is provided on the front panel of the unit use this button when the remote controller is missing or if its battery has run out every press of the button switches from on to off or from off to on in case of ftk x s20 50d 86
- Forced operation mode will be set by pressing the on off button for between 5 to 9 sec while the unit is not operating 86
- Heat pump only in order to prevent the cold air blast that normally comes when heating is started the temperature of the heat exchanger of the indoor unit is detected and either the air flow is stopped or is made very weak thereby carrying out comfortable heating of the room the cold air blast is also prevented using a similar control when the defrosting operation is started or when the thermostat gets turned on 86
- Hot start function 86
- Note when the on off button is pressed for 10 sec or more the operation will be stopped see page 97 for the detail of forced operation mode 86
- On off button on indoor unit 86
- Other functions 86
- Push this button once to start operation push once again to stop it 86
- Signal receiving sign 86
- The operation mode refers to the following table 86
- This button is useful when the remote controller is missing 86
- When the indoor unit receives a signal from the remote controller the unit emits a signal receiving sound 86
- Air purifying filter 87
- Air purifying filter with photocatalytic deodorizing function 87
- Auto restart function 87
- Mold proof air filter prefilter 87
- Photocatalytic deodorizing filter 87
- Self diagnosis digital display 87
- Titanium apatite photocatalytic air purifying filter 87
- Weekly timer operation 87
- Cooling only model 88
- Function and control 77 88
- Function of main structural parts 88
- Heat pump model 88
- Main structural parts 88
- Note expansion valve in case of 2 port model eva b 3 port model eva c 4 port model eva d 88
- Sibe12 713 function of main structural parts 88
- Function of thermistor 89
- Heat pump model 89
- Cooling only model 91
- Control specification 93
- Control specification sibe12 713 93
- Detail 1 for heat pump model there are following modes stop cooling includes drying heating include defrosting 93
- Determine operating mode judge the operating mode command set by each room in accordance with the instructing procedure and determine the operating mode of the system the following procedure will be taken as the modes conflict with each other 1 the system will follow the mode determined first first push first set 2 for the rooms set with different mode select stand by mode operation lamp flashes 93
- For cooling only model there are following models stop and cooling including drying 93
- Function and control 93
- Mode hierarchy 93
- Note unless specified otherwise an indoor dry operation command must be regarded as cooling operation an indoor fan operation command cannot be made in a multiple indoor unit a forced fan command to the indoor unit from the outdoor unit must be made during forced operation 93
- Outline there are two modes the mode selected in user s place normal air conditioning mode and forced operation mode for installation and providing service 93
- Frequency control 94
- D signal 1 p control calculate a total of the 95
- D signal and is used for frequency command 95
- D signal the difference between a room temperature and the temperature set by the remote controller will be taken as the 95
- D value in each sampling time 20 seconds and adjust the frequency according to its difference from the frequency previously calculated 95
- D value is large increase the frequency 95
- D value is small lower the frequency when the 95
- D value obtaining the fixed 95
- D value of each room and a total value of q 95
- D value when the 95
- Determine lower limit frequency 95
- Determine prohibited frequency 95
- Determine upper limit frequency 95
- For limiting lower limit frequency management is carried out only when the frequency rises 95
- Frequency management when other controls are functioning 95
- I control if the operating frequency is not change more than a certain fixed time adjust the frequency up and down according to the 95
- Indoor frequency command 95
- Limit of frequency variation width when the difference between input current and input current drooping value is less than 1 a the frequency increase width must be limited 95
- Pi control determine frequency up down by 95
- Q of the operating room the room in which the thermostat is set to on q value indoor unit output determined from indoor unit volume air flow rate and other factors 95
- Set a maximum value as an lower limit frequency among the frequency lower limits of the following functions pressure difference upkeep 95
- Set a minimum value as an upper limit frequency among the frequency upper limits of the following functions compressor protection input current discharge pipes freeze up protection dew prevention fin thermistor temperature 95
- Th off thermostat off indoor unit capacity s value the capacity of the indoor unit is a s value and is used for frequency command 95
- There is a certain prohibited frequency such as a power supply frequency 95
- When each frequency is drooping frequency management is carried out only when the frequency droops 95
- 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 95
- 3 minutes stand by 97
- Controls at mode changing start up 97
- Four way valve operation compensation 97
- Four way valve switching 97
- Preheating operation 97
- Compressor protection function 98
- Function and control 87 98
- Note when the compressor doesn t run for long time in the condition that the discharge pipe temperature is 10 c or less the time between fcg2 and fcg3 will be longer then 470 sec 98
- Sibe12 713 control specification 98
- When turning the compressor from off to on the upper limit of frequency must be set as follows the function must not be used when defrosting only for heat pump model 98
- Discharge pipe control 99
- Input current control 99
- Control in each zone the maximum value of heat exchange intermediate temperature of each indoor unit controls the following excluding stopped rooms in drooping zone the frequency decreases 6hz 40 seconds in up zone the frequency increases 2hz 60 seconds 100
- Detail conditions for start controlling judge the controlling start with the indoor heat exchanger temperature after 2 min from operation start and after a sec from changing number of operation room 100
- Detail conditions for start controlling judge the controlling start with the indoor heat exchanger temperature after 2 sec from operation start and after 30 sec from changing number of operation room control in each zone the zone is determined by the commands from indoor units in drooping zone the frequency decreases 2hz 20 seconds 100
- Freeze up protection control 100
- Function and control 89 100
- Heating peak cut control 100
- Outline during cooling operation the signals being sent from the indoor unit allow the operating frequency limitation and then prevent freezing of the indoor heat exchanger 100
- Outline heat pump only during heating operation the signals being sent form the indoor unit allow the operating frequency limitation and prevent abnormal high pressure the signal from the indoor unit must be divided as follows 100
- Sibe12 713 control specification 100
- Fan control 101
- Liquid compression protection function 2 101
- Defrost control 102
- Electronic expansion valve control 103
- Detail the followings are the examples of control which function in each mode by the electronic expansion valve control 104
- Function and control 93 104
- Sibe12 713 control specification 104
- Fully closing with power on 105
- Gas pipe isothermal control during cooling 105
- Opening limit 105
- Pressure equalization control 105
- Sc control 105
- Starting operation control changing operation room 105
- Control when frequency is changed 106
- Disconnection of the discharge pipe thermistor 106
- High temperature of the discharge pipe 106
- Oil recovery function 106
- Target discharge pipe temperature control 106
- Detection of overload and over current 107
- Insufficient gas control 107
- Malfunctions 107
- Sensor malfunction detection 107
- Detail forced cooling forced heating only for heat pump model 108
- Detail judgment by input current when an output frequency is exceeds 55 hz and the input current is less than specified value the adjustment is made for insufficient gas judgment by discharge pipe temperature when discharge pipe temperature is 20 c higher than target value and the electronic expansion value opening is 450 plus max the adjustment is made for insufficient gas 108
- During cooling if the heat exchanger temperature in the operation stopped room becomes below the specified temperature for the specified time open the electronic expansion valve in the operation stopped room as specified and carry out the fully closed operation after this if freezing abnormality occurs more than specified time the system shall be down as the system abnormality 108
- Forced operation mode 108
- Outline forced operating mode includes functions such as forced cooling forced heating incorrect wiring incorrect piping check operating mode must be selected by operating the forced operation switch sw1 on service pcb 108
- Preventing indoor freezing 108
- Wiring error check 109
- Checking the current setting data on the microcomputer memory 110
- Example let s suppose the led indicators are flashing as follows 110
- Function and control 99 110
- Sibe12 713 control specification 110
- The above means that port a is connected with port b and port b with room a or self corrected this way 110
- Those data can be checked by looking at the service monitor led indicators when the wiring error checking is over during forced operation at the stop of the system the led indicators stop flashing when the forced operation is over led1 room a wiring led2 room b wiring 1st flashing led port a piping 2nd flashing led port b piping the first stay on led means the room that is connected with port a the next stay on led means the one connected with port b 110
- Additional function 111
- Powerful operation mode 111
- Priority room setting 111
- Cooling heating mode lock 112
- Econo mode proof setting 112
- Operation the econo mode can be switched over between effective and ineffective by pressing the forced operation switch sw1 and wiring error check switch sw3 at the same time and holding them for 5 seconds while the compressor is stopped the leds are lit in turn for 15 seconds to show the econo mode status the factory setting is effective 112
- Outline when installing in hotels you can make econo mode ineffective on the outdoor unit 112
- The following specifications apply to the connector housing and pins jst products housing vhr 5n pin svh 21t 1 1 note that forced operation is also possible in cool heat mode 112
- Instruction 05 114
- Part 5 operation manual 114
- System configuration 04 114
- Operation instructions 115
- System configuration 115
- Ftk x s ftxg ctxg fdk x s flk x s series 116
- Illustrations are for wall mounted type ftk x s50 60 71f as representative 116
- Instruction 116
- Manual contents and reference page 116
- Caution 117
- Safety precautions 117
- Warning 117
- Consider nuisance to your neighbours from noises 118
- Electrical work 118
- Installation site 118
- System relocation 118
- Indoor unit 119
- Names of parts 119
- Indoor unit 120
- Outdoor unit 120
- Arc433b50 b4 121
- On off 121
- Remote controller 121
- Ftk x s 20 25 35 c 122
- Indoor unit 122
- Names of parts 122
- Indoor unit 123
- Outdoor unit 123
- Remote controller 124
- Indoor unit 125
- Names of parts 125
- 60 class 71 class 126
- Indoor unit 126
- Outdoor unit 126
- Arc433b70 7 127
- Remote controller 127
- Indoor unit 128
- Names of parts 128
- Indoor unit 129
- Outdoor unit 129
- Remote controller 130
- Indoor unit 131
- Names of parts 131
- Indoor unit 132
- Outdoor unit 132
- Arc433b69 b76 133
- Remote controller 133
- Caution 134
- Flk x s 25 35 50 60 b 134
- Indoor unit 134
- Names of parts 134
- Opening the front panel 134
- Indoor unit 135
- Outdoor unit 135
- Arc433b67 b68 136
- On off 136
- Remote controller 136
- Preparation before operation 137
- To set the batteries 137
- Attention 138
- Choose a place from where the signals reach the unit 138
- Place the remote controller in the remote controller holder 138
- Preparation before operation 138
- To fix the remote controller holder on the wall 138
- To operate the remote controller 138
- Be careful not to cool heat the room too much keeping the temperature setting at a moderate level helps save energy 139
- Clogged air filters cause inefficient operation and waste energy clean them once in about every two weeks 139
- Cover windows with a blind or a curtain blocking sunlight and air from outdoors increases the cooling heating effect 139
- If you are not going to use the air conditioner for a long period for example in spring or autumn turn the breaker off 139
- Operation outside this humidity or temperature range may cause a safety device to disable the system 139
- Please note 139
- Press clock button 139
- The air conditioner always consumes 15 35 watts of electricity even while it is not operating 139
- Tips for saving energy 139
- To set the clock 139
- Turn the breaker on 139
- Use the air conditioner in the following conditions 139
- Auto dry cool heat fan operation 140
- To change the temperature setting 140
- To start operation 140
- To stop operation 140
- Press fan setting button 141
- To change the air flow rate setting 141
- Adjusting the air flow direction 142
- To adjust the horizontal blades flaps 142
- To adjust the vertical blades louvers 142
- Always use a remote controller to adjust the flaps angle if you attempt to move it forcibly with hand when it is swinging the mechanism may be broken 143
- Cool dry the flap will go up heat the flap will go down 143
- In dry mode or cool mode 143
- In fan mode 143
- In heat mode 143
- Notes on comfort airflow operation 143
- Notes on flaps and louvers angles 143
- Press comfort airflow button 143
- Press comfort airflow button again 143
- To cancel comfort airflow operation 143
- To start comfort airflow operation 143
- Adjusting the air flow direction 144
- Press swing button 144
- To adjust the horizontal blades flaps 144
- When the flaps have reached the desired position press swing button once more 144
- Instruction sibe12 713 145
- Notes on flaps and louvers angles 145
- Operation manual 145
- To adjust the vertical blades louvers 145
- Adjusting the air flow direction 146
- To adjust the horizontal blade flap 146
- To adjust the vertical blades louvers 146
- Notes on flap angle 147
- Notes on louvers angles 147
- Press either the swing button or the swing button 147
- Press the swing button and the swing button the and display will light up and the flap and louvers will move in turn 147
- To 3 d airflow 147
- To cancel 3 d airflow 147
- Adjusting the air flow direction 148
- To 3 d airflow 148
- To adjust the horizontal blade flap 148
- To adjust the vertical blades louvers 148
- To cancel 3 d airflow 148
- Cool dry the flap will go up heat the flap will go down 149
- Press comfort airflow button 149
- Press comfort airflow button again 149
- To cancel comfort airflow operation 149
- To start comfort airflow operation 149
- Adjusting the air flow direction 150
- Press swing button 150
- To adjust the horizontal blade flap 150
- When the flaps have reached the desired position press swing button once more 150
- Attention 151
- Instruction sibe12 713 151
- Notes on flap and louvers angles 151
- Operation manual 151
- To adjust the vertical blades louvers 151
- Powerful operation 152
- To cancel powerful operation 152
- To start powerful operation 152
- Outdoor unit quiet operation 153
- To cancel outdoor unit quiet operation 153
- To start outdoor unit quiet operation 153
- Econo operation 154
- To cancel econo opera tion 154
- To start econo operation 154
- Before using home leave operation 155
- Home leave operation 155
- To cancel home leave operation 155
- To start home leave operation 155
- Use as a favorite mode 156
- Use as an energy saving mode 156
- Useful in these cases 156
- What s the home leave operation 156
- Intelligent eye operation 157
- To cancel the intelligent eye operation 157
- To start intelligent eye operation 157
- Caution 158
- Intelligent eye is useful for energy saving 158
- Intelligent eye operation 158
- Notes on intelligent eye 158
- Intelligent eye operation 159
- Press sensor button 159
- Press sensor button again 159
- To cancel the intelligent eye operation 159
- To start intelligent eye operation 159
- Caution 160
- Intelligent eye is useful for energy saving 160
- Notes on intelligent eye 160
- To adjust the angle of the intelligent eye sensor 160
- Intelligent eye operation 161
- Press sensor button 161
- Press sensor button again 161
- To cancel the intelligent eye operation 161
- To start intelligent eye operation 161
- Caution 162
- Intelligent eye is useful for energy saving 162
- Notes on intelligent eye 162
- Intelligent eye operation 163
- Press sensor button 163
- Press sensor button again 163
- To cancel the intelligent eye operation 163
- To start intelligent eye operation 163
- Caution 164
- Intelligent eye is useful for energy saving 164
- Notes on intelligent eye 164
- Timer operation 165
- To cancel the off timer operation 165
- To use off timer operation 165
- Attention 166
- Press cancel button 166
- Press on timer button 166
- Press on timer button again 166
- Press timer setting button until the time setting reaches the point you like 166
- To cancel on timer operation 166
- To combine on timer and off timer 166
- To use on timer operation 166
- Caution 167
- Instruction sibe12 713 167
- Night quiet mode available only for cooling operation 167
- Note for multi system 167
- Operation manual 167
- Outdoor unit quiet operation 167
- See priority room setting on the next page 167
- Selecting the operation mode 167
- What is a multi system 167
- Note for multi system 168
- Operation mode priority 168
- Priority room setting 168
- Priority when powerful operation is used 168
- Priority when using outdoor unit quiet operation 168
- Care and cleaning 169
- Caution 169
- Front panel 169
- Indoor unit outdoor unit and remote controller 169
- Air filter 170
- Filters 170
- Maintenance 170
- Replacement 170
- Titanium apatite photocatalytic air purifying filte 170
- After operation stops turn off the breaker for the room air conditioner 171
- Before a long idle period 171
- Clean the air filters and set them again 171
- Operate the fan only for several hours on a fine day to dry out the inside 171
- Take out batteries from the remote controller 171
- Attach the front panel 172
- Before cleaning be sure to stop the operation and turn the breaker off 172
- Care and cleaning 172
- Caution 172
- Clean the front panel 172
- Front panel 172
- Indoor unit outdoor unit and remote controller 172
- Open the front panel 172
- Remove the front panel 172
- Wipe them with dry soft cloth 172
- Air filter 173
- Air purifying filter with photocatalytic deodorizing function gray 173
- Filters 173
- Maintenance 173
- Replacement 173
- After operation stops turn off the breaker for the room air conditioner 174
- Air purifying filter with photocatalytic deodorizing function with frame 1 set 174
- Air purifying filter with photocatalytic deodorizing function without frame 1 set 174
- Before a long idle period 174
- Clean the air filters and set them again 174
- Dispose of old filters as burnable waste 174
- Operate the fan only for several hours on a fine day to dry out the inside 174
- Press mode button and select fan operation 174
- Press on off button and start operation 174
- Take out batteries from the remote controller 174
- Attach the front panel 175
- Before cleaning be sure to stop the operation and turn the breaker off 175
- Care and cleaning 175
- Caution 175
- Clean the front panel 175
- Front panel 175
- Indoor unit outdoor unit and remote controller 175
- Open the front panel 175
- Remove the front panel 175
- Wipe them with dry soft cloth 175
- After washing shake off remaining water and dry in the shade 4 176
- Air filter 176
- Clean or replace each filter 176
- Filters 176
- If it is very dirty soak it for 10 to 15 minutes in water mixed with a neutral cleaning agent 176
- Maintenance 176
- Open the front panel 176
- Pull out the air filters 176
- Remove dust with a vacuum cleaner and wash lightly with water 2 176
- Remove the tabs on the filter frame and replace with a new filter 176
- Replacement 176
- Set the air filter and the titanium apatite photocatalytic air purifying filter as they were and close the front panel 176
- Take off the titanium apatite photocatalytic air purifying filter 176
- Titanium apatite photocatalytic air purifying filter 176
- Wash the air filters with water or clean them with vacuum cleaner 176
- After operation stops turn off the breaker for the room air conditioner 177
- Before a long idle period 177
- Clean the air filters and set them again 177
- Dispose of old filters as non flammable waste 177
- Operate the fan only for several hours on a fine day to dry out the inside 177
- Press mode button and select fan operation 177
- Press on off button and start operation 177
- Take out batteries from the remote controller 177
- Titanium apatite photocatalytic air purifying filter without frame 1 set 177
- To order titanium apatite photocatalytic air purifying filter contact to the service shop there you bought the air conditioner 177
- When a multi outdoor unit is connected make sure the heating operation is not used at the other room before you use the fan operation 177
- Care and cleaning 178
- Caution 178
- Front panel 178
- Indoor unit outdoor unit and remote controller 178
- Air filter 179
- Filters 179
- Maintenance 179
- Replacement 179
- Titanium apatite photocatalytic air purifying filte 179
- After operation stops turn off the breaker for the room air conditioner 180
- Before a long idle period 180
- Clean the air filters and set them again 180
- Operate the fan only for several hours on a fine day to dry out the inside 180
- Take out batteries from the remote controller 180
- When a multi outdoor unit is connected make sure the heating operation is not used at the other room before you use the fan operation 180
- Before cleaning be sure to stop the operation and turn the breaker off 181
- Care and cleaning 181
- Caution 181
- Cleaning the air filter 181
- Fdk x s 25 35 c 181
- Only a qualified service person is allowed to perform maintenance 181
- Removing the air filter 181
- Replacing the air filter 181
- After operation stops turn off the breaker for the room air conditioner 182
- Before a long idle period 182
- Caution 182
- Clean the air filters and set them again 182
- Cleaning the drain pan 182
- Operate the fan only for several hours on a fine day to dry out the inside 182
- Take out batteries from the remote controller 182
- Before cleaning be sure to stop the operation and turn the breaker off 183
- Care and cleaning 183
- Caution 183
- Cleaning the air filter 183
- Fdk x s 50 60 c fdk x s 25 35 e 183
- Only a qualified service person is allowed to perform maintenance 183
- Removing the air filter 183
- Replacing the air filter 183
- Before a long idle period 184
- Caution 184
- Clean the air filters and set them again 184
- Cleaning the drain pan 184
- Operate the fan only for several hours on a fine day to dry out the inside 184
- Take out batteries from the remote controller 184
- Turn off the breaker for the room air conditioner 184
- Before cleaning be sure to stop the operation and turn the breaker off 185
- Care and cleaning 185
- Caution 185
- Clean the front panel 185
- Close the front panel 185
- Front panel 185
- Indoor unit outdoor unit and remote controller 185
- Open the front panel 185
- Wipe them with dry soft cloth 185
- Air filter 186
- Air purifying filter green 186
- Clean or replace each filter 186
- Detach the filter element and attach a new one 186
- Dry the photocatalytic deodorizing filter in the sun 186
- Filters 186
- Insert claws of the filters into slots of the front panel 186
- Maintenance 186
- Open the front panel 2 pull out the air filters 186
- Photocatalytic deodorizing filter gray 186
- Replacement 186
- Set the air filter air purifying filter and photocatalytic deodorizing filter as they were and close the front panel 186
- Take off the air purifying filter photocatalytic deodorizing filter 186
- Wash the air filters with water or clean them with vacuum cleaner 186
- After operation stops turn off the breaker for the room air conditioner 187
- Before a long idle period 187
- Clean the air filters and set them again 187
- Operate the fan only for several hours on a fine day to dry out the inside 187
- Take out batteries from the remote controller 187
- Case explanation 188
- These cases are not troubles 188
- Trouble shooting 188
- Troubleshooting 188
- Are operation modes all the same for indoor units connected to outdoor units in the multi system if not set all indoor units to the same operation mode and confirm that the lamps flash moreover when the operation mode is in auto set all indoor unit operation modes to cool or heat for a moment and check again that the lamps are normal if the lamps stop flashing after the above steps there is no malfunction 189
- Case check 189
- Check again 189
- Call the service shop immediately 190
- Disposal requirements 190
- The power cord is abnormally hot or damaged an abnormal sound is heard during operation the safety breaker a fuse or the earth leakage breaker cuts off the operation frequently a switch or a button often fails to work properly there is a burning smell water leaks from the indoor unit 190
- Turn the breaker off and call the service shop 190
- Warning 190
- We recommend periodical maintenance 190
- Fault diagnosis 191
- Instruction sibe12 713 191
- Operation manual 191
- The code indication changes as shown below and notifies with a long beep 191
- Caution 192
- Fvxs series 192
- Safety precautions 192
- Warning 192
- Consider nuisance to your neighbours from noises 193
- Electrical work 193
- Installation site 193
- System relocation 193
- Caution 194
- Indoor unit 194
- Names of parts 194
- Opening the front panel 194
- 35 class 50 class 195
- Indoor unit 195
- Outdoor unit 195
- 10 12 13 15 18 20 196
- 8 11 14 196
- Remote controller 196
- Attention 197
- Preparation before operation 197
- To fix the remote controller holder on the wall 197
- To operate the remote controller 197
- To set the batteries 197
- Preparation before operation 198
- To set the clock 198
- Please note 199
- Tips for saving energy 199
- Turn the breaker on 199
- Turning on the breaker closes the flap this is a normal procedure 199
- Auto dry cool heat fan operation 200
- To change the temperature setting 200
- To start operation 200
- To stop operation 200
- Press fan setting button 201
- To change the air flow rate setting 201
- Adjusting the air flow direction 202
- Notes on flap and louvers angle 202
- To adjust the horizontal blade flap 202
- To adjust the vertical blades louvers 202
- Air flow selection 203
- Caution 203
- When setting the air flow selection switch to 203
- When setting the air outlet selection switch to 203
- Powerful operation 204
- To cancel powerful operation 204
- To start powerful operation 204
- Outdoor unit quiet operation 205
- To cancel outdoor unit quiet operation 205
- To start outdoor unit quiet operation 205
- Econo operation 206
- To cancel econo operation 206
- To start econo operation 206
- Timer operation 207
- To cancel the off timer operation 207
- To use off timer operation 207
- Attention 208
- Timer operation 208
- To cancel on timer operation 208
- To combine on timer and off timer 208
- To use on timer operation 208
- To use weekly timer operation 209
- Weekly timer operation 209
- Press button to complete the setting 210
- Press next button 210
- Press select button to select the desired temperature 210
- Weekly timer operation 210
- Press weekly button to deactivate the weekly operation 211
- To cancel weekly timer operation 211
- Canceling all reservations 212
- Canceling individual reservations 212
- Confirming a reservation 212
- Hold the weekly button for 5 seconds 212
- Press button 212
- Press select button to select the day of the week and the reservation number to be confirmed 212
- Select the day of the week to be canceled with the select button 212
- Weekly timer operation 212
- Press button 213
- Press button 2 213
- Press copy button 213
- Setting weekly timer using copy mode 213
- Night quiet mode available only for cooling operation 214
- Note for multi system 214
- Outdoor unit quiet operation 214
- Selecting the operation mode 214
- Operation mode priority 215
- Priority room setting 215
- Priority when powerful operation is used 215
- Priority when using outdoor unit quiet operation 215
- Care and cleaning 216
- Caution 216
- Front panel 216
- Indoor unit outdoor unit and remote controller 216
- Air filter 217
- Filters 217
- Maintenance 217
- Replacement 217
- Titanium apatite photocatalytic air purifying filter 217
- After operation stops turn off the breaker for the room air conditioner 218
- Before a long idle period 218
- Clean the air filters and set them again 218
- Operate the fan only for several hours on a fine day to dry out the inside 218
- Take out batteries from the remote controller 218
- Case explanation 219
- These cases are not troubles 219
- Trouble shooting 219
- Troubleshooting 219
- Are operation modes all the same for indoor units connected to outdoor units in the multi system if not set all indoor units to the same operation mode and confirm that the lamps flash moreover when the operation mode is in auto set all indoor unit operation modes to cool or heat for a moment and check again that the lamps are normal if the lamps stop flashing after the above steps there is no malfunction page 24 220
- Case check 220
- Check again 220
- Call the service shop immediately 221
- Disposal requirements 221
- The power cord is abnormally hot or damaged an abnormal sound is heard during operation the safety breaker a fuse or the earth leakage breaker cuts off the operation frequently a switch or a button often fails to work properly there is a burning smell water leaks from the indoor unit 221
- Turn the breaker off and call the service shop 221
- Warning 221
- We recommend periodical maintenance 221
- A short beep and two consecutive beeps indicate non corresponding codes 222
- Fault diagnosis 222
- Fault diagnosis by remote controller 222
- In the arc452a series the temperature display sections on the main unit indicate corresponding codes 222
- Press the timer cancel button repeatedly until a continuous beep is produced the code indication changes as shown below and notifies with a long beep 222
- To cancel the code display hold the timer cancel button down for 5 seconds the code display also cancel itself if the button is not pressed for 1 minute 222
- When the timer cancel button is held down for 5 seconds a indication flashes on the temperature display section 222
- Fhq series 223
- Names and functions of parts 224
- Precautions for group control system or two remote controller control system 224
- Safety considerations 224
- What to do before operation 224
- All wiring must be performed by an authorized electrician 226
- Cooling 226
- D b dry bulb temperature c wb wet bulb temperature c 226
- Do not use the air conditioner in the following places a filled with much mineral oil such as cutting oil b where there is much salt such as a beach area c where sulfured gas exists such as a hot spring resort d where there are considerable voltage fluctua tions such as a factory or plant e vehicles and vessels 226
- Execute complete drain piping for perfect drainage incomplete piping may result in a water leakage the appliance is not intended for use by young children or infirm persons without supervision 226
- F where there is much spray of oil and vapor such as a cookery etc g where there are machines generating electro magnetic waves h filled with acid and or alkaline steam or vapor 226
- Heating 226
- If the temperature or the humidity is beyond the following con ditions safety devices may work and the air conditioner may not operate or sometimes water may drop from the indoor unit 226
- Installation site 226
- Is a snow protection measure taken for details consult your dealer 226
- Is the air conditioner installed at a well venti lated place where there are no obstacles around 226
- Operation range 226
- Regarding places for installation 226
- Regarding wiring 226
- The setting temperature range of the remote con troller is 16 c to 32 c 226
- Young children should be supervised to ensure that they do not play with the appliance 226
- And display on the remote controller 227
- Name and function of each switc 227
- Pay attention to running noises too 227
- Regarding drainage of drain piping 227
- Cooling heating automatic fan and program dry operation 228
- Defrost operation 228
- Explanation of heating operation 228
- On off 228
- Operation mode selec tor 228
- Operation procedure 228
- Press on off button 228
- Press operation mode selector but ton several times and select the opera tion mode of your choice as follows 228
- Regarding outside air temperature and heat ing capacity 228
- A up and down direction 229
- Adjustment press the air flow direction adjust button to select the air direction as follow ing 229
- Air flow direction adjust 229
- B left and right direction 229
- Fan speed control 229
- Movement of the air flow flap 229
- Press fan speed control button 229
- Press temperature setting button and program the setting temperature 229
- Temperature setting 229
- Optimum operation 230
- Press the programming time button and set the time for stopping or starting the sys tem 230
- Press the timer mode start stop button several times and select the mode on the display 230
- Press the timer on off button 230
- Program timer operation 230
- Programming time 230
- Timer mode start stop 230
- Timer on off 230
- How to clean the air filter 231
- Important 231
- Maintenance for service personnel 231
- How to clean air outlet and out side panels 232
- How to clean the suction grille 232
- Not malfunction of the air conditioner 232
- Start up after a long stop 232
- What to do when stopping the sys tem for a long period 232
- Indoor unit no in which a malfunction occurs 234
- Inspection display 234
- Operation lamp 234
- Trouble shooting 234
- Caution for diagnosis 26 236
- Check 76 236
- Code indication on the remote controller 33 236
- Part 6 service diagnosis 236
- Problem symptoms and measures 28 3 service check function 29 236
- Troubleshooting 34 236
- Caution for diagnosis 237
- Troubleshooting with operation lamp 237
- Problem symptoms and measures 239
- Arc433 series 1 when the timer cancel button is held down for 5 seconds a 00 indication flashes on the temperature display section 240
- Check method 1 240
- Note 1 a short beep and two consecutive beeps indicate non corresponding codes 2 to cancel the code display hold the timer cancel button down for 5 seconds the code display also cancels itself if the button is not pressed for 1 minute 240
- Press the timer cancel button repeatedly until a continuous beep is produced 240
- Service check function 240
- The code indication changes in the sequence shown below and notifies with a long beep 240
- The temperature display sections on the main unit indicate corresponding codes 240
- Arc452a series 1 when the timer cancel button is held down for 5 seconds a 00 indication flashes on the temperature display section 241
- Note 1 a short beep and two consecutive beeps indicate non corresponding codes 2 to cancel the code display hold the timer cancel button down for 5 seconds the code display also cancels itself if the button is not pressed for 1 minute 241
- Press the timer cancel button repeatedly until a continuous beep is produced 241
- The code indication changes in the sequence shown below and notifies with a long beep 241
- Timer cancel button 241
- Check method 2 242
- Code indication on the remote controller 244
- Error codes and description of fault 244
- Indoor units 245
- Not used for troubleshooting 245
- Troubleshooting 245
- Varies depending on the cases 245
- Outdoor units 246
- Indoor unit pcb abnormality 247
- Indoor unit pcb abnormality a1 247
- Freeze up protection control or high pressure control 248
- Freeze up protection control or high pressure control a5 248
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 249
- Check no 6 refer to p 79 249
- Displayed the system will be reset itself but this stop will be put in the error history memory 249
- Note if the outside temperature is below 10 c in the cooling mode the system may get interrupted with error 249
- Service diagnosis 249
- Troubleshooting 249
- Troubleshooting sibe12 713 249
- Ac motor 250
- Check no 6 refer to p 85 250
- Detection error due to faulty control pcb 250
- Fan motor or related abnormality 250
- Fan motor or related abnormality a6 250
- Malfunction decision conditions 250
- Method of malfunction detection 250
- Operation halt due to breaking of the fan motor lead wires 250
- Operation halt due to breaking of wire inside the fan motor 250
- Operation halt due to faulty capacitor of the fan motor 250
- Operation halt due to short circuit inside the fan motor winding 250
- Remote controller display 250
- Supposed causes 250
- The rotation speed detected by the hall ic during fan motor operation is used to determine abnormal fan motor operation 250
- Troubleshooting 250
- When 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 250
- Dc motor 251
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 252
- Check no 1 refer to p 76 252
- Check no 2 refer to p 76 252
- Service diagnosis 241 252
- Sibe12 713 troubleshooting 252
- Troubleshooting 252
- Thermistor or related abnormality indoor unit 253
- Thermistor or related abnormality indoor unit c4 c9 253
- 1 pull the plug out or turn the breaker off 2 remove the decorative plate 3 remove the slot in panel 4 put the plug in or turn the breaker on wait until the initialization finishes 5 operate the unit by the indoor unit on off switch 254
- Front panel open close fault 254
- Front panel open close fault c7 254
- Malfunction decision conditions 254
- Malfunction of the limit switch 254
- Malfunction of the reduction motor 254
- Malfunction or deterioration of the front panel mechanism 254
- Method of malfunction detection 254
- Remote controller display 254
- Service diagnosis 243 254
- Sibe12 713 troubleshooting 254
- Supposed causes 254
- The system will be shut down when the error occurs twice 254
- Troubleshooting 254
- Signal transmission error between indoor and outdoor unit 255
- Signal transmission error between indoor and outdoorunit u4 255
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 256
- Check no 0 refer to p 82 256
- Service diagnosis 245 256
- Sibe12 713 troubleshooting 256
- Troubleshooting 256
- Indoor unit pcb defective 257
- Malfunction decision conditions 257
- Method of malfunction detection 257
- Remote controller display 257
- Service diagnosis 257
- Supposed causes 257
- The pair type and multi type are interconnected 257
- The supply power is detected for its requirements different from pair type and multi type by the indoor outdoor transmission signal 257
- Troubleshooting 257
- Troubleshooting sibe12 713 257
- Unspecified voltage between indoor and outdoor units 257
- Unspecified voltage between indoor and outdoor units ua 257
- Wrong indoor unit pcb mounted 257
- Wrong models interconnected 257
- Wrong outdoor unit pcb mounted or defective 257
- Freeze up protection control 258
- Freeze up protection control a5 258
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 259
- Check no 4 refer to p 77 259
- Check no 6 refer to p 79 259
- Service diagnosis 259
- Troubleshooting 259
- Troubleshooting sibe12 713 259
- Outdoor unit pcb abnormality 260
- Outdoor unit pcb abnormality e1 260
- A compressor overload is detected through compressor ol 261
- Check no 1 refer to p 82 261
- Check no 4 refer to p 77 261
- Check no 5 refer to p 78 261
- Check no 6 refer to p 79 261
- Electronic expansion valve defective 261
- Four way valve malfunctioning 261
- If the compressor ol is activated twice the system will be shut down 261
- Malfunction decision conditions 261
- Method of malfunction detection 261
- Ol activation compressor overload 261
- Ol activation compressor overload e5 261
- Outdoor unit led display a 261
- Outdoor unit pcb defective 261
- Refrigerant shortage 261
- Remote controller display 261
- Stop valve defective 261
- Supposed causes 261
- The error counter will reset itself if this or any other error does not occur during the following 60 minute compressor running time total time 261
- The operating temperature condition is not specified 261
- Troubleshooting 261
- Water mixed in the local piping 261
- A compressor lock is detected by checking the compressor running condition through the position detection circuit 262
- Clearing condition continuous run for about 5 minutes normal 262
- Compressor lock 262
- Compressor lock e6 262
- Compressor locked 262
- Judging from current waveform generated when high frequency voltage is applied to the compressor 262
- Malfunction decision conditions 262
- Method of malfunction detection 262
- Outdoor unit led display a 262
- Remote controller display 262
- Supposed causes 262
- The system will be shut down if the error occurs 16 times 262
- Troubleshooting 262
- Dc fan lock 263
- Dc fan lock e7 263
- Input over current detection 264
- Input over current detection e8 264
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 265
- Check no 4 refer to p 84 265
- Check no 7 refer to p 80 265
- Check no 8 refer to p 81 265
- Service diagnosis 265
- Troubleshooting 265
- Troubleshooting sibe12 713 265
- Discharge pipe temperature control 266
- Discharge pipe temperature control f3 266
- High pressure control in cooling 267
- High pressure control in cooling f6 267
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 268
- Check no 4 refer to p 77 268
- Check no 6 refer to p 79 268
- Check no 7 refer to p 80 268
- Check no 9 refer to p 81 268
- Service diagnosis 257 268
- Sibe12 713 troubleshooting 268
- Troubleshooting 268
- Compressor sensor system abnormality 269
- Compressor sensor system abnormality h0 269
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 270
- Service diagnosis 259 270
- Sibe12 713 troubleshooting 270
- Troubleshooting 270
- A compressor startup failure is detected by checking the compressor running condition through the position detection circuit 271
- Check no 3 refer to p 83 271
- Clearing condition continuous run for about 5 minutes normal 271
- Compressor itself defective 271
- Compressor relay cable disconnected 271
- Input voltage out of specification 271
- Malfunction decision conditions 271
- Method of malfunction detection 271
- Outdoor unit led display a 271
- Outdoor unit pcb defective 271
- Position sensor abnormality 271
- Position sensor abnormality h6 271
- Remote controller display 271
- Stop valve closed 271
- Supposed causes 271
- The compressor fails to start in about 15 seconds after the compressor run command signal is sent 271
- The system will be shut down if the error occurs 8 times 271
- Troubleshooting 271
- Ct or related abnormality 272
- Ct or related abnormality h8 272
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 273
- Check no 2 refer to p 83 273
- Service diagnosis 273
- Troubleshooting 273
- Troubleshooting sibe12 713 273
- P4 j3 j6 j8 j9 h9 274
- Thermistor or related abnormality outdoor unit 274
- Thermistor or related abnormality outdoor unit p4 j3 j6 j8 j9 h9 274
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 275
- Check no 6 refer to p 79 275
- Discharge pipe thermistor 275
- Gas pipe thermistor 275
- Liquid pipe thermistor 275
- Outdoor temperature thermistor 275
- Outdoor unit heat exchanger thermistor 275
- Radiation fin thermistor 275
- Service diagnosis 275
- Troubleshooting 275
- Troubleshooting sibe12 713 275
- Electrical box temperature rise 276
- Electrical box temperature rise l3 276
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 277
- Check no 7 refer to p 80 277
- Check no 9 refer to p 81 277
- Service diagnosis 277
- Troubleshooting 277
- Troubleshooting sibe12 713 277
- Radiation fin temperature rise 278
- Radiation fin temperature rise l4 278
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 279
- Check no 7 refer to p 80 279
- Check no 9 refer to p 81 279
- Service diagnosis 279
- Troubleshooting 279
- Troubleshooting sibe12 713 279
- Output over current detection 280
- Output over current detection l5 280
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 281
- Check no 3 refer to p 83 281
- Check no 7 refer to p 80 281
- Check no 8 refer to p 81 281
- Service diagnosis 281
- Troubleshooting 281
- Troubleshooting sibe12 713 281
- Insufficient gas 282
- Insufficient gas u0 282
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 283
- Check no 4 refer to p 77 283
- Check no 6 refer to p 79 283
- Service diagnosis 283
- Troubleshooting 283
- Troubleshooting sibe12 713 283
- Low voltage detection or over voltage detection 284
- Low voltage detection or over voltage detection u2 284
- Signal transmission error on outdoor unit pcb 285
- Signal transmission error on outdoor unit pcb u7 285
- Anti icing function in other rooms unspecified voltage between indoor and outdoor units 286
- Anti icing function in other rooms unspecifiedvoltage between indoor and outdoor units ua uh 286
- Check no 1 1 check connector connection 2 check motor power supply voltage output pins 4 7 and 4 8 3 check motor control voltage pins 4 3 4 check rotation command voltage output pins 4 2 5 check rotation pulse input pins 4 1 287
- Check no 2 1 check connector connection 2 check motor control voltage output pins 2 1 287
- Check no 3 remove the front grille the limit switch is located at the left side of the drain pan assembly check the continuity of the switch connection 287
- Fan motor connector output check 287
- How to check 287
- Limit switch continuity check 287
- The shutter can be opened and closed with hand keep the shutter open and closed all the way for each continuity check steps 287
- 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 compare the ev unit and the connector number 2 turn the power off and back on again and check to see if all the evs generate latching sound 3 if any of the evs does not generate latching noise in the above step 2 disconnect that connector and check the conductivity using a tester check the conductivity between pins 1 3 and 6 and between pins 2 4 and 5 if there is no conductivity 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 conductivity is confirmed in the above step 2 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 288
- Electronic expansion valve check 288
- If latching sound is generated the outdoor unit pcb is faulty 288
- If latching sound is not generated the ev unit is faulty 288
- Note please note that the latching sound varies depending on the valve type 288
- Check no 5 289
- Check sibe12 713 289
- Four way valve performance check 289
- Service diagnosis 289
- Check no 6 remove the connectors of the thermistors on 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 290
- Thermistor resistance check 290
- Check no 7 291
- Check sibe12 713 291
- Installation condition check 291
- Service diagnosis 291
- Check no 8 292
- Check no 9 292
- Discharge pressure check 292
- Outdoor unit fan system check with dc motor 292
- Service diagnosis 281 292
- Sibe12 713 check 292
- Check no 0 measure the power supply waveform between pins 1 and 3 on the terminal board and check the waveform disturbance 293
- Check no 1 293
- Check sibe12 713 293
- Check to see if the power supply waveform is a sine wave fig 293
- Check to see if there is waveform disturbance near the zero cross sections circled in fig 293
- Fig fig 293
- Inverter units refrigerant system check 293
- Power supply waveforms check 293
- Service diagnosis 293
- Capacitor voltage check 294
- Check no 2 before this checking be sure to check the main circuit for short circuit 294
- Check no 3 294
- Checking the capacitor voltage 294
- Checking the power transistor 294
- For the uvw make measurements at the faston terminal on the board or the relay connector 294
- If unavoidably necessary to touch a live part make sure the power transistor s supply voltage is below 50 v using the tester 294
- Never touch any live parts for at least 10 minutes after turning off the circuit breaker 294
- Power transistor check 294
- With the circuit breaker still on measure the voltage according to the drawing of the model in question be careful never to touch any live parts 294
- Main circuit electrolytic capacitor check 295
- Turning speed pulse input on the outdoor unit pcb check 295
- Hall ic check 296
- Outdoor unit 88 298
- Part 7 removal procedure 298
- Outdoor unit 299
- Removal of the panels and plates 299
- Lift the front panel up to remove the left side hooks and open the panel 301
- The front panel has the 1 hook on the right 301
- The front panel has the 3 hooks on the left 301
- Removal of the electrical box 303
- Detach the outdoor air thermistor 309
- Loosen the screw on the right side of the electrical box 309
- Lift up the electrical box to remove 310
- Loosen the 1 screw in front of the electrical box 310
- Removal of the pcb 311
- Loosen the 2 screws of the radiation fin 314
- Loosen the 3 screws of the reactor and the 1 screw of the clamp 314
- Names of parts on the control pcb 314
- See page 56 for detail 314
- Removal of the propeller fan fan motor 317
- Removal of the sound blanket 319
- Open the sound blanket inner and pull it out 322
- Undo the fixing strings open the sound blanket body and pull it out 322
- Removal of electronic expansion valve coil four way valve coil and thermistor 323
- Removal of the distributor 326
- Removal of the four way valve 327
- Removal of the compressor 328
- Others 20 330
- Part 8 others 330
- Others 331
- Test run from the remote controller 331
- Control pcb of the indoor unit 1 remove the electrical box 2 cut the address jumper ja on the control pcb 332
- How to set the different addresses 332
- Jumper setting 332
- Jumper settings 332
- When two indoor units are installed in one room the two wireless remote controllers can be set for different addresses 332
- When two units are installed in one room 332
- Wireless remote controller 1 slide the front cover and take it off 2 cut the address jumper j4 332
- Adjusting the angle of the intelligent eye sensor 333
- Part 9 appendix 334
- Piping diagrams 24 334
- Wiring diagrams 31 334
- 12 cut 335
- Cooling 335
- Cross flow fan 335
- Fan motor 335
- Field piping 335
- Field piping 12 cut 335
- Ftks20cavmb ftks25cavmb ftks35cavmb ftks50fv1b ftks60fv1b 335
- Ftks20d3vmw l ftks25d3vmw l ftks35d3vmw l ftks50d2v1w l 335
- Heat exchanger 335
- Indoor unit 335
- Indoor units 335
- Maffler assy 335
- Piping diagrams 335
- Refrigerant flow 335
- Refrigerant flow cooling 335
- Thermistor on heat exch 335
- Wall mounted type 335
- Appendix 325 336
- Ctxg50ev1bw s ftxs20d3vmw l ftxs25d3vmw l ftxs35d3vmw l 336
- Ftks71fv1b ftxg25ev1bw s ftxg35ev1bw s 336
- Sibe12 713 piping diagrams 336
- Appendix 337
- Ftxs50d2v1w l ftxs20cavmb ftxs25cavmb ftxs35cavmb 337
- Ftxs50fv1b ftxs60fv1b ftxs71fv1b 337
- Piping diagrams sibe12 713 337
- Appendix 327 338
- D048723a 338
- Duct connected type 338
- Fdks25cavmb fdks35cavmb fdks50cvmb fdks60cvmb fdks25eavmb fdks35eavmb fdxs25cavmb fdxs35cavmb fdxs50cvmb fdxs60cvmb fdxs25eavmb fdxs35eavmb 338
- Flks25bavmb flks35bavmb flks50bavmb flks60bavmb 338
- Floor ceiling suspended dual type 338
- Heat exchanger 338
- Sibe12 713 piping diagrams 338
- Thermistor on heat exch 338
- Appendix 339
- Floor standing type 339
- Flxs25bavmb flxs35bavmb flxs50bavmb flxs60bavmb 339
- Fvxs25fv1b fvxs35fv1b fvxs50fv1b 339
- Piping diagrams sibe12 713 339
- Appendix 329 340
- C1220t 0 340
- Ceiling suspended type 340
- Fhq35 50 60bvv1b 340
- Field piping 340
- Indoor unit 340
- Sibe12 713 piping diagrams 340
- To outdoor unit 340
- Appendix 341
- Cooling only 341
- Heat pump 341
- Mks75f2v1b 341
- Mxs68f2v1b 341
- Outdoor units 341
- Piping diagrams sibe12 713 341
- Ftks20d3vmw l ftks25d3vmw l ftks35d3vmw l ftxs20d3vmw l ftxs25d3vmw l ftxs35d3vmw l 342
- Ftks50d2v1w l ftxs50d2v1w l 342
- Indoor units 342
- Wall mounted type 342
- Wiring diagrams 342
- Appendix 343
- Caution 343
- Ftks20cavmb ftks25cavmb ftks35cavmb ftxs20cavmb ftxs25cavmb ftxs35cavmb 343
- Ftks50fv1b ftks60fv1b ftks71fv1b ftxs50fv1b ftxs60fv1b ftxs71fv1b 343
- Wiring diagrams sibe12 713 343
- Appendix 333 344
- Duct connected type 344
- Fdks25cavmb fdks35cavmb fdks50cvmb fdks60cvmb fdks25eavmb fdks35eavmb fdxs25cavmb fdxs35cavmb fdxs50cvmb fdxs60cvmb fdxs25eavmb fdxs35eavmb 344
- Ftxg25ev1bw s ftxg35ev1bw s ctxg50ev1bw s 344
- Sibe12 713 wiring diagrams 344
- Appendix 345
- D033909e 345
- D055953 345
- Flks25bavmb flks35bavmb flks50bavmb flks60bavmb flxs25bavmb flxs35bavmb flxs50bavmb flxs60bavmb 345
- Floor ceiling suspended dual type 345
- Floor standing type 345
- Fvxs25fv1b fvxs35fv1b fvxs50fv1b 345
- Wiring diagrams sibe12 713 345
- Appendix 335 346
- Ceiling suspended type 346
- Connector 346
- D037842d 346
- Fhq35 50 60bvv1b 346
- Field wiring 346
- H2p h3p 346
- In case using central remote controller connect it to the unit in accordance with the attached installation manual 4 x24a is connected when the wireless remote controller kit is being used 5 remote controller model varies according to the combination system confirm engineering materials and catalogs etc before connecting 6 in case installing the drain pump m1p remove the jumper connector of x15a and execute the additional wiring for float switch and drain pump 7 symbols show as follows red red blk black wht white ylw yellow prp purple gry gray blu blue 346
- Note 4 x24a 346
- Sibe12 713 wiring diagrams 346
- Terminal 346
- Appendix 347
- Cooling only 347
- Heat pump 347
- Mks75f2v1b 347
- Mxs68f2v1b 347
- Outdoor units 347
- Wiring diagrams sibe12 713 347
- Numerics 348
- Drawings flow charts 352
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