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Daikin FTXS25D2VML [151/205] Removal of pcb
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SiEBE04-507 Indoor Unit
Removal Procedure 141
1.6 Removal of PCB
Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies
before disassembling work.
Step Procedure Points
1. Removing the shelter
1
2
3
The figure shows the
appearance of the
electrical box.
Open the shelter (at the
back).
Push the upper center
of the shelter and
unfasten the hooks at
the upper 2 positions of
the shelter.
Preparation
Remove the electrical box
according to the “Removal
of Electrical Box.”
2. Removing the heat
exchanger thermistor
1
Remove the heat
exchanger thermistor
and disconnect the
earth wire.
Clamp
(R4353)
Heat exchanger
thermistor
Earth wire
Signal receiver unit
(R4350)
Signal receiver
PCB
Shelter (back)
(
R4351
)
Hooks
Hook
Hook
(R4352)
Содержание
- Inverter pair 1
- Inverter pair wall mounted type d series 1
- Manual 1
- Service 1
- Siebe04 507 1
- Wall mounted type d series 1
- Inverter pair 2
- Manual 2
- Service 2
- Wall mounted type d series 2
- Inverter pair d series 3
- Control specification 7 4
- Function of thermistor 5 4
- Introduction v 4
- List of functions 4
- Main functions 2 4
- Part 1 list of functions 4
- Part 2 specifications 4
- Part 3 printed circuit board connector wiring diagram 5 4
- Part 4 function and control 1 4
- Printed circuit board connector wiring diagram 6 4
- Specifications 4
- Caution for diagnosis 2 2 problem symptoms and measures 3 3 service check function 4 4 troubleshooting 7 5
- Check 20 5
- Part 5 system configuration 3 5
- Part 6 service diagnosis 1 5
- System configuration 4 2 instruction 5 5
- Drawings flow charts v 6
- Index i 6
- Indoor unit 28 6
- Others 80 6
- Outdoor unit 59 6
- Part 7 removal procedure 27 6
- Part 8 others 79 6
- Part 9 appendix 83 6
- Piping diagrams 84 6
- Wiring diagrams 87 6
- Caution in repair 7
- Introduction 7
- Safety cautions 7
- Warning 7
- Cautions regarding products after repair 8
- Warning 8
- Caution 9
- Inspection after repair 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
- Using icons 10
- Using icons list 10
- Warning 10
- List of functions 11
- Part 1 list of functions 11
- List of functions 12
- List of functions siebe04 507 12
- Note holding functions no functions 12
- List of functions 3 13
- Note holding functions no functions 13
- Siebe04 507 list of functions 13
- List of functions 14
- List of functions siebe04 507 14
- Note holding functions no functions 14
- Part 2 specifications 15
- Specifications 15
- Cooling only 16
- Specifications 16
- Specifications siebe04 507 16
- V 50hz 16
- Siebe04 507 specifications 17
- Specifications 7 17
- V 50hz 17
- Specifications 18
- Specifications siebe04 507 18
- V 50hz 18
- Heat pump 19
- Siebe04 507 specifications 19
- Specifications 9 19
- V 50hz 19
- Specifications 20
- Specifications siebe04 507 20
- V 50hz 20
- Siebe04 507 specifications 21
- Specifications 11 21
- V 50hz 21
- Specifications 22
- Specifications siebe04 507 22
- V 50hz 22
- Siebe04 507 specifications 23
- Specifications 13 23
- V 50hz 23
- Specifications 24
- Specifications siebe04 507 24
- V 50hz 24
- Part 3 printed circuit board connector wiring diagram 25
- Printed circuit board connector wiring diagram 6 25
- Connectors 26
- Indoor unit 26
- Printed circuit board connector wiring diagram 26
- Pcb 1 control pcb 27
- Pcb 2 signal receiver pcb pcb 3 display pcb 27
- Pcb 4 intelligent eye sensor pcb 27
- Pcb detail 27
- Printed circuit board connector wiring diagram 17 27
- Siebe04 507 printed circuit board connector wiring diagram 27
- Connectors 28
- Outdoor unit 28
- Pcb 1 filter pcb 29
- Pcb 2 control pcb outdoor unit 29
- Pcb detail 29
- Printed circuit board connector wiring diagram 19 29
- Siebe04 507 printed circuit board connector wiring diagram 29
- Control specification 7 31
- Function of thermistor 5 31
- Main functions 2 31
- Part 4 function and control 31
- Additional control parameters 32
- Drawing of inverter 32
- Frequency principle 32
- Inverter principle 32
- Main control parameters 32
- Main functions 32
- Note see the list of functions for the functions applicable to different models 32
- The compressor is frequency controlled during normal operation the target frequency is set by the following 2 parameters coming from the operating indoor unit the load condition of the operating indoor unit the difference between the room temperature and the set temperature 32
- The following drawing shows a schematic view of the inverter principle 32
- The target frequency is adapted by additional parameters in the following cases frequency restrictions initial settings forced cooling operation 32
- 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 32
- Forced cooling operation 33
- Frequency limits 33
- Inverter features 33
- Air flow direction control 34
- Auto swing 34
- Comfort airflow mode 34
- Power airflow dual flaps 34
- Wide angle louvres 34
- 25 35kw class 670 880 rpm during powerful operation 720 930 rpm 35
- Automatic air flow control for cooling 35
- Automatic air flow control for heating 35
- Control mode 35
- Fan speed control for indoor units 35
- For more information about hall ic refer to trouble shooting for fan motor on page 91 35
- Function and control 25 35
- Hh powerful 35
- Note 1 during powerful operation fan rotates at h tap 50 rpm 2 fan stops during defrost operation 3 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 35
- Phase control and fan speed control contains 9 steps lll ll sl l ml m mh h and hh 35
- Phase steps 35
- Siebe04 507 main functions 35
- Sl silent 35
- Step cooling heating dry mode 35
- 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 35
- The following drawing explains the principle for fan speed control for heating 35
- The following drawing explains the principle of fan speed control for cooling 35
- Within this range the airflow rate is automatically controlled when the fan setting button is set to automatic 35
- In case of inverter units 36
- Programme dry function 36
- 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 36
- 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 36
- Automatic operation 37
- Detailed explanation of the function 37
- Cooling dry 38
- Function and control 38
- Heating 38
- Main functions siebe04 507 38
- The monitoring time has passed while the temperature difference is in the zone b cooling dry 10 minutes heating 10 seconds 38
- The operation turns on in any zones except a 38
- The system resumes from defrost control in any zones except a 38
- Thermostat control 38
- Thermostat control is based on the difference between the room temperature and the setpoint 38
- Thermostat off condition the temperature difference is in the zone a 38
- Thermostat on condition the temperature difference is above the zone c after being in the zone a 38
- Cooling operation 39
- Function and control 29 39
- Heating operation 39
- Night set mode 39
- Siebe04 507 main functions 39
- The night set circuit 39
- The night set circuit continues heating or cooling the room at the set temperature for the first one hour then automatically raises the temperature setting slightly in the case of cooling or lowers it slightly in the case of heating for economical operations this prevents excessive heating in winter and excessive cooling in summer to ensure comfortable sleeping conditions and also conserves electricity 39
- When the off timer is set the night set circuit automatically activates the night set circuit maintains the airflow setting made by users 39
- Details 40
- Econo mode 40
- Outline 40
- Detection method by intelligent eye 41
- Function and control 31 41
- Intelligent eye 41
- Processing 41
- Siebe04 507 main functions 41
- The motions for example in cooling 41
- 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 41
- This sensor detects human motion by receiving infrared rays and displays the pulse wave output 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 41
- 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 sifted 2 c from the set temperature cool 2 c higher dry 1 c higher auto according to the operation mode at that time h 1 in case of fan mode the fan speed reduces by 50 rpm 41
- Others 42
- Details of the control 43
- Ex powerful operation in cooling mode 43
- 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 43
- Inverter powerful operation 43
- Outline 43
- 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 43
- Auto restart function 44
- Hot start function 44
- Mold proof air filter 44
- On off button on indoor unit 44
- Other functions 44
- Self diagnosis digital display 44
- Signal receiving sign 44
- Titanium apatite photocatalytic air purifying filter 44
- A outdoor heat exchanger thermistor dcb 45
- B discharge pipe thermistor dot 45
- C indoor heat exchanger thermistor dcn 45
- Function of thermistor 45
- Heat pump model 45
- A outdoor heat exchanger thermistor dcb 46
- B discharge pipe thermistor dot 46
- C indoor heat exchanger thermistor dcn 46
- Cooling only model 46
- Control specification 47
- Detail 47
- For cooling only model there are following models stop and cooling including drying 47
- For heat pump model there are following modes stop cooling includes drying heating include defrosting 47
- Mode hierarchy 47
- Note unless specified otherwise an indoor dry operation command must be regarded as cooling operation 47
- Outline 47
- There are two modes the mode selected in user s place normal air conditioning mode and forced operation mode for installation and providing service 47
- Detail 48
- Frequency control 48
- Outline 48
- Controls at mode changing start up 50
- Detail 50
- Four way valve operation compensation 50
- Four way valve switching 50
- Outline 50
- Outline of heating operation 50
- Preheating operation 50
- 3 minutes standby 51
- Compressor protection function 51
- Detail 51
- Discharge pipe control 51
- Divide the zone 51
- Management within the zones 51
- Outline 51
- Prohibit to turn on the compressor for 3 minutes after turning it off except when defrosting only for heat pump model 51
- The discharge pipe temperature is used as the compressor s internal temperature if the discharge pipe temperature rises above a certain level the operating frequency upper limit is set to keep this temperature from going up further 51
- 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 51
- Detail 52
- Frequency control in each zone drooping zone the maximum limit of the compressor frequency in this control is defined as operation frequency 2hz after this the output frequency is pulled down by 2hz every second until it reaches the steady zone keep zone the present maximum frequency goes on reset zone limit of the frequency is cancelled stop zone after 2 s in this zone the compressor is stopped 52
- Input current control 52
- Limitation of current drooping and stop value according to the outdoor air temperature 1 in case the operation mode is cooling the current droops when outdoor air temperature becomes higher than a certain level model by model 2 in case the operation mode is heating only for heat pump model the current droops when outdoor air temperature becomes higher than a certain level model by model 52
- Outline 52
- The microcomputer calculates the input current during the compressor is running and set the frequency upper limit from such input current in case of heat pump model this control is the upper limit control function of the frequency which takes priority of the lower limit of four way valve activating compensation 52
- Conditions for start controlling judge the controlling start with the indoor heat exchanger temperature after 2 sec from operation start control in each zone 53
- Conditions for start controlling judge the controlling start with the indoor heat exchanger temperature after 2 sec from operation start control in each zone the heat exchange intermediate temperature of indoor unit controls the following 53
- Detail 53
- 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 the signal from the indoor unit must be divided into the zones as the followings 53
- Freeze up protection control 53
- Function and control 43 53
- Heat pump only during heating operation the signals being sent from the indoor unit allow the operating frequency limitation and prevent abnormal high pressure the signal from the indoor unit must be divided as follows 53
- Heating peak cut control 53
- Outline 53
- Siebe04 507 control specification 53
- Detail 54
- Fan control 54
- Liquid compression protection function 2 54
- Outline 54
- Conditions for starting defrost the starting conditions must be made with the outdoor air temperature and heat exchanger temperature under the conditions that the system is in heating operation 6 minutes after the compressor is started and more than 28 minutes of accumulated time pass since the start of the operation or ending the defrosting conditions for canceling defrost the judgment must be made with heat exchanger temperature 4 c 22 c 55
- Defrost control 55
- Detail 55
- Function and control 45 55
- Heat pump only defrosting is carried out by the cooling cycle reverse cycle the defrosting time or outdoor heat exchanger temperature must be more than its fixed value when finishing 55
- Outline 55
- Siebe04 507 control specification 55
- Control specification siebe04 507 56
- Detail 56
- Electronic expansion valve control 56
- Function and control 56
- Outline 56
- The following items are included in the electronic expansion valve control electronic expansion valve is fully closed 1 electronic expansion valve is fully closed when turning on the power 2 pressure equalizing control open control 1 electronic expansion valve control when starting operation 2 control when frequency changed 3 control for defrosting only for heat pump model 4 control when a discharge pipe temperature is abnormally high 5 control when the discharge pipe thermistor is disconnected feedback control 1 discharge pipe temperature control 56
- The followings are the examples of control which function in each mode by the electronic expansion valve control 56
- Detail 57
- Disconnection of the discharge pipe thermistor 57
- Fully closing with power on 57
- High temperature of the discharge pipe 57
- Opening limit 57
- Outline 57
- Pressure equalization control 57
- Starting operation control 57
- Control when frequency is changed 58
- Target discharge pipe temperature control 58
- Detail 59
- Detection of overload and over current 59
- Insufficient gas control 59
- Malfunctions 59
- Outline 59
- Sensor malfunction detection 59
- Additional function 60
- Compressor operating frequency is increased to pi max max hz of operating room and outdoor unit airflow rate is increased 60
- Detail 60
- Forced cooling 60
- Forced operating mode includes only forced cooling 60
- Forced operation mode 60
- I judgment by power consumption when an output frequency is exceeds 55 hz and the input current is less than specified value the adjustment is made for insufficient gas 60
- Ii judgment by discharge pipe temperature when discharge pipe temperature is 30 c higher than target value and the electronic expansion value opening is 480 pulses max the adjustment is made for insufficient gas 60
- Iii judgment by the difference of temperature when the difference of the temperature is smaller than it is regarded as insufficient gas 60
- Outline 60
- Power supply voltage is detected each time equipment operation starts 60
- Powerful operation mode 60
- Voltage detection function 60
- Detail 61
- Facility setting jumper cooling at low outdoor temperature 61
- Outline 61
- Part 5 system configuration 63
- System configuration 4 2 instruction 5 63
- System configuration 64
- Caution 65
- Caution warning 65
- Instruction 65
- Safety precautions 65
- Siebe04 507 instruction 65
- System configuration 55 65
- Warning 65
- Consider nuisance to your neighbours from noises 66
- Do not operate the air conditioner with wet hands 66
- Electrical work 66
- Installation site 66
- Instruction siebe04 507 66
- System configuration 66
- System relocation 66
- Indoor unit 67
- Names of parts 67
- Indoor unit 68
- Outdoor unit 68
- Arc433a50 4 69
- On off 69
- Remote controller 69
- Attention 70
- Preparation before operation 70
- To set the batteries 70
- Attention 71
- Choose a place from where the signals reach the unit 2 fix the holder to a wall a pillar or similar location with the screws procured locally 3 place the remote controller in the remote controller holder 71
- Receiver 71
- To fix the remote controller holder on the wall 71
- To operate the remote controller 71
- Be careful not to cool heat the room too much keeping the temperature setting at a moderate level helps save energy cover windows with a blind or a curtain blocking sunlight and air from outdoors increases the cooling heating effect clogged air filters cause inefficient operation and waste energy clean them once in about every two weeks 72
- Holding down 72
- If you are not going to use the air conditioner for a long period for example in spring or autumn turn the breaker off 72
- Mode fan 72
- Operation outside this humidity or temperature range may cause a safety device to disable the system 72
- Or button rapidly increases or decreases the time display 72
- Please note 72
- Press clock button 72
- Sensor 72
- Silent 72
- The air conditioner always consumes 15 35 watts of electricity even while it is not operating 72
- Tips for saving energy 72
- To set the clock 72
- Turn the breaker on 72
- Turning on the breaker opens the flap then closes it again this is a normal procedure 72
- Use the air conditioner in the following conditions 72
- Auto dry cool heat fan operation 73
- Press mode selector button and select a operation mode 73
- Press on off button 73
- Press on off button again 73
- Press temperature adjustment button 73
- To change the temperature setting 73
- To start operation 73
- To stop operation 73
- Press fan setting button 74
- To change the air flow rate setting 74
- Adjusting the air flow direction 75
- Press swing button 75
- To adjust the horizontal blades flaps 75
- To adjust the vertical blades louvers 75
- When the flaps have reached thedesired position press swing button once more 75
- 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 76
- Cool dry the flap will go up heat the flap will go down 76
- In dry mode or cool mode 76
- In fan mode 76
- In heat mode 76
- Notes on comfort airflow operation 76
- Notes on flaps and louvers angles 76
- Press comfort airflow button 76
- Press comfort airflow button again 76
- To cancel comfort airflow operation 76
- To start comfort airflow operation 76
- Powerful operation 77
- Press powerful button 77
- Press powerful button again 77
- To cancel powerful operation 77
- To start powerful operation 77
- Outdoor unit silent operation 78
- Press silent button 78
- Press silent button again 78
- To cancel outdoor unit silent operation 78
- To start outdoor unit silent operation 78
- Econo operation 79
- Press econo button 79
- Press econo button again 79
- To cancel econo operation 79
- To start econo operation 79
- Intelligent eye operation 80
- Press sensor button 80
- Press sensor button again 80
- To cancel the intelligent eye operation 80
- To start intelligent eye operation 80
- Caution 81
- Intelligent eye is useful for energy saving 81
- Notes on intelligent eye 81
- Press cancel button 82
- Press off timer button 82
- Press off timer button again 82
- Press timer setting button until the time setting reaches the point you like 82
- Timer operation 82
- To cancel the off timer operation 82
- To use off timer operation 82
- Attention 83
- Press cancel button 83
- Press on timer button 83
- Press on timer button again 83
- Press timer setting button until the time setting reaches the point you like 83
- To cancel on timer operation 83
- To combine on timer and off timer 83
- To use on timer operation 83
- Attach the front panel 84
- Before cleaning be sure to stop the operation and turn the breaker off 84
- Care and cleaning 84
- Caution 84
- Clean the front panel 84
- Front panel 84
- Indoor unit outdoor unit and remote controller 84
- Open the front panel 84
- Remove the front panel 84
- Wipe them with dry soft cloth 84
- Air filter 85
- Filters 85
- Maintenance 85
- Replacement 85
- Titanium apatite photocatalytic air purifying filte 85
- Before a long idle period 86
- Clean the air filters and set them again 86
- Operate the fan only for several hours on a fine day to dry out the inside 86
- Take out batteries from the remote controller 86
- Turn off the breaker for the room air conditioner 86
- Case explanation 87
- These cases are not troubles 87
- Troubleshooting 87
- Case check 88
- Check again 88
- Call the service shop immediately 89
- Disposal requirements 89
- 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 89
- Turn the breaker off and call the service shop 89
- Warning 89
- We recommend periodical maintenance 89
- Fault diagnosis 90
- Instruction siebe04 507 90
- System configuration 90
- The code indication changes as shown below and notifies with a long beep 90
- Caution for diagnosis 2 2 problem symptoms and measures 3 3 service check function 4 4 troubleshooting 7 91
- Check 20 91
- Part 6 service diagnosis 91
- Caution for diagnosis 92
- Indicator lamps 92
- Location of operation lamp 92
- Troubleshooting with led indication 92
- Problem symptoms and measures 93
- Arc433a50 4 94
- Check method 1 94
- Service check function 94
- Check method 2 95
- Displayed only when system down occurs 97
- Error codes and description 97
- Troubleshooting 97
- Indoor unit pcb abnormality 98
- Freeze up protection control or high pressure control 99
- Malfunction decision conditions 99
- Method of malfunction detection 99
- Remote controller display 99
- Supposed causes 99
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 100
- Check no refer to p 22 100
- Service diagnosis 100
- Troubleshooting 100
- Troubleshooting siebe04 507 100
- Fan motor dc motor or related abnormality 101
- Malfunction decision conditions 101
- Method of malfunction detection 101
- Remote controller display 101
- Supposed causes 101
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 102
- Check no 1 refer to p 20 102
- Service diagnosis 102
- Troubleshooting 102
- Troubleshooting siebe04 507 102
- Malfunction decision conditions 103
- Method of malfunction detection 103
- Remote controller display 103
- Supposed causes 103
- Thermistor or related abnormality indoor unit 103
- Troubleshooting 103
- Check no 0 refer to p 24 104
- Faulty outdoor unit pcb faulty indoor unit pcb indoor unit outdoor unit signal transmission error due to wiring error indoor unit outdoor unit signal transmission error due to disturbed power supply waveform indoor unit outdoor unit signal transmission error due to breaking of wire in the connection wires between the indoor and outdoor units wire no 2 104
- Malfunction decision conditions 104
- Method of malfunction detection 104
- Remote controller display 104
- Service diagnosis 104
- Signal transmission error between indoor and outdoor unit 104
- Supposed causes 104
- The data received from the outdoor unit in indoor unit outdoor unit signal transmission is checked whether it is normal 104
- Troubleshooting 104
- Troubleshooting siebe04 507 104
- When the data sent from the outdoor unit cannot be received normally or when the content of the data is abnormal 104
- Malfunction decision conditions 105
- Method of malfunction detection 105
- Remote controller display 105
- Service diagnosis 95 105
- Siebe04 507 troubleshooting 105
- Supposed causes 105
- The pair type and multi type are interconnected 105
- The supply power is detected for its requirements different from pair type and multi type by the indoor outdoor transmission signal 105
- Troubleshooting 105
- Unspecified voltage between indoor and outdoor units 105
- Wrong models interconnected wrong indoor unit pcb mounted indoor unit pcb defective wrong outdoor unit pcb mounted or defective 105
- Malfunction decision conditions 106
- Method of malfunction detection 106
- Outdoor unit pcb abnormality 106
- Remote controller display 106
- Supposed causes 106
- Troubleshooting 106
- A compressor overload is detected through compressor ol 107
- Check no 1 refer to p 24 107
- Check no refer to p 20 107
- Check no refer to p 21 107
- Check no refer to p 22 107
- If the compressor ol is activated twice the system will be shut down 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 the operating temperature condition is not specified 107
- Malfunction decision conditions 107
- Method of malfunction detection 107
- Ol activation compressor overload 107
- Refrigerant shortage four way valve malfunctioning outdoor unit pcb defective water mixed in the local piping electronic expansion valve defective stop valve defective 107
- Remote controller display 107
- Service diagnosis 97 107
- Siebe04 507 troubleshooting 107
- Supposed causes 107
- Troubleshooting 107
- A compressor lock is detected by checking the compressor running condition through the position detection circuit 108
- Compressor lock 108
- Compressor locked compressor harness disconnected 108
- Malfunction decision conditions 108
- Method of malfunction detection 108
- Note if the model doesn t have spm replace the outdoor unit pcb 108
- Remote controller display 108
- Service diagnosis 108
- Supposed causes 108
- The system judges the compressor lock and stops due to over current the system judges the compressor lock and cannot operation with position detection within 15 seconds after start up the system will be shut down if the error occurs 16 times clearing condition continuous run for about 10 minutes normal 108
- Troubleshooting 108
- Troubleshooting siebe04 507 108
- A fan motor or related error is detected by checking the high voltage fan motor rpm being detected by the hall ic 109
- Check no 5 refer to p 25 109
- Dc fan lock 109
- Fan motor breakdown harness or connector disconnected between fan motor and pcb or in poor contact foreign matters stuck in the fan 109
- Malfunction decision conditions 109
- Method of malfunction detection 109
- Remote controller display 109
- Service diagnosis 99 109
- Siebe04 507 troubleshooting 109
- Supposed causes 109
- The fan does not start in 30 seconds even when the fan motor is running the system will be shut down if the error occurs 16 times clearing condition continuous run for about 10 minutes normal 109
- Troubleshooting 109
- An input over current is detected by checking the input current value with the compressor running 110
- Check no refer to p 23 110
- Input over current detection 110
- Malfunction decision conditions 110
- Method of malfunction detection 110
- Note if the model doesn t have spm replace the outdoor unit pcb 110
- Over current due to compressor failure over current due to defective power transistor over current due to defective outdoor unit pcb error detection due to outdoor unit pcb over current due to short circuit 110
- Remote controller display 110
- Service diagnosis 110
- Supposed causes 110
- The following current with the compressor running continues for 2 seconds cooling heating above 12a 110
- Troubleshooting 110
- Troubleshooting siebe04 507 110
- Four way valve abnormality 111
- Malfunction decision conditions 111
- Method of malfunction detection 111
- Remote controller display 111
- Supposed causes 111
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 112
- Check no 1 refer to p 24 112
- Check no refer to p 21 112
- Check no refer to p 22 112
- Service diagnosis 112
- Troubleshooting 112
- Troubleshooting siebe04 507 112
- 1 above 45hz rising above 40hz dropping 110 97 113
- 2 30 45hz rising 25 40hz dropping 105 92 113
- 3 below 30hz rising below 25hz dropping 99 86 113
- Check no 1 refer to p 24 113
- Check no refer to p 20 113
- Check no refer to p 22 113
- Discharge pipe temperature control 113
- If a stop takes place 4 times successively due to abnormal discharge pipe temperature the system will be shut down if the temperature being detected by the discharge pipe thermistor rises above c the compressor will stop the error is cleared when the temperature has dropped below c 113
- Malfunction decision conditions 113
- Method of malfunction detection 113
- Refrigerant shortage four way valve malfunctioning discharge pipe thermistor defective heat exchanger or outdoor air temperature thermistor defective outdoor unit pcb defective water mixed in the local piping electronic expansion valve defective stop valve defective 113
- Remote controller display 113
- Service diagnosis 103 113
- Siebe04 507 troubleshooting 113
- Stop temperatures 113
- Supposed causes 113
- The discharge pipe temperature control stop frequency drooping etc is checked with the temperature being detected by the discharge pipe thermistor 113
- 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 113
- Troubleshooting 113
- High pressure control in cooling 114
- Malfunction decision conditions 114
- Method of malfunction detection 114
- Remote controller display 114
- Supposed causes 114
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 115
- Check no refer to p 20 115
- Check no refer to p 22 115
- Check no refer to p 23 115
- Check no refer to p 24 115
- Service diagnosis 105 115
- Siebe04 507 troubleshooting 115
- Troubleshooting 115
- Compressor system sensor abnormality 116
- A compressor startup failure is detected by checking the compressor running condition through the position detection circuit 117
- Check no 3 refer to p 25 117
- Compressor relay cable disconnected compressor itself defective outdoor unit pcb defective stop valve closed input voltage out of specification 117
- Malfunction decision conditions 117
- Method of malfunction detection 117
- Position sensor abnormality 117
- Remote controller display 117
- Service diagnosis 107 117
- Siebe04 507 troubleshooting 117
- Supposed causes 117
- The compressor fails to start in about 15 seconds after the compressor run command signal is sent clearing condition continuous run for about 10 minutes normal the system will be shut down if the error occurs 16 times 117
- Troubleshooting 117
- Dc voltage current sensor abnormality 118
- Malfunction decision conditions 119
- Method of malfunction detection 119
- P4 j3 j6 h9 119
- Remote controller display 119
- Supposed causes 119
- Thermistor or related abnormality outdoor unit 119
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 120
- Check no refer to p 22 120
- P4 radiation fin thermistor j3 discharge pipe thermistor j6 outdoor heat exchanger thermistor h9 outdoor air temperature thermistor 120
- Service diagnosis 120
- Troubleshooting 120
- Troubleshooting siebe04 507 120
- Electrical box temperature rise 121
- Malfunction decision conditions 121
- Method of malfunction detection 121
- Remote controller display 121
- Supposed causes 121
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 122
- Check no refer to p 22 122
- Check no refer to p 23 122
- Check no refer to p 24 122
- Service diagnosis 122
- Troubleshooting 122
- Troubleshooting siebe04 507 122
- Malfunction decision conditions 123
- Method of malfunction detection 123
- Radiation fin temperature rise 123
- Remote controller display 123
- Supposed causes 123
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 124
- Check no refer to p 22 124
- Check no refer to p 23 124
- Check no refer to p 24 124
- Service diagnosis 124
- Troubleshooting 124
- Troubleshooting siebe04 507 124
- Malfunction decision conditions 125
- Method of malfunction detection 125
- Output over current detection 125
- Remote controller display 125
- Supposed causes 125
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 126
- Check no 3 refer to p 25 126
- Check no refer to p 23 126
- Note if the model doesn t have spm replace the outdoor unit pcb 126
- Service diagnosis 126
- Troubleshooting 126
- Troubleshooting siebe04 507 126
- Insufficient gas 127
- Malfunction decision conditions 127
- Method of malfunction detection 127
- Remote controller display 127
- Supposed causes 127
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 128
- Check no refer to p 20 128
- Check no refer to p 22 128
- Service diagnosis 128
- Troubleshooting 128
- Troubleshooting siebe04 507 128
- An abnormal voltage rise is detected by checking the specified over voltage detection circuit 129
- An over voltage signal is fed from the over voltage detection circuit to the microcomputer the voltage is over 400v the system will be shut down if the error occurs 255 times clearing condition continuous run for about 10 minutes normal 129
- Malfunction decision conditions 129
- Method of malfunction detection 129
- Note if the model doesn t have spm replace the outdoor unit pcb 129
- Over voltage detection 129
- Remote controller display 129
- Service diagnosis 119 129
- Siebe04 507 troubleshooting 129
- Supply voltage not as specified over voltage detection circuit defective pam control part s defective 129
- Supposed causes 129
- Troubleshooting 129
- Check no 130
- Check no 1 130
- Electronic expansion valve check 130
- Fan motor connector output check 130
- How to check 130
- Check no 131
- Four way valve performance check 131
- Service diagnosis 121 131
- Siebe04 507 check 131
- Check no 132
- R25 20k b 3950 132
- 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 132
- Thermistor resistance check 132
- Check no 133
- Discharge pressure check 133
- Installation condition check 133
- Service diagnosis 123 133
- Siebe04 507 check 133
- Check no 134
- Check no 0 134
- Check no 1 134
- Check siebe04 507 134
- Dc motor 134
- Fig fig 134
- Inverter units refrigerant system check 134
- Measure the power supply waveform between pins 1 and 3 on the terminal board and check the waveform disturbance check to see if the power supply waveform is a sine wave fig check to see if there is waveform disturbance near the zero cross sections circled in fig 134
- Outdoor unit fan system check 134
- Power supply waveforms check 134
- Service diagnosis 134
- Check no 3 135
- Check no 5 135
- Disconnect the compressor harness connector from the outdoor unit pcb to disengage the connector press the protrusion on the connector then follow the procedure below to measure resistance between power transistor and and the u v and w terminals of the compressor connector with a multi tester evaluate the measurement results for a pass fail judgment 135
- If the fuse is blown out the outdoor unit fan may also be in trouble check the fan too if the voltage in step 2 is not applied it means the pcb is defective replace the pcb if the pulse in step 4 is not available it means the hall ic is defective replace the dc fan motor if there are both the voltage 2 and the pulse 4 replace the pcb 135
- Make sure the voltage of 270 30v is being applied 1 stop the operation first and then the power off and disconnect the connector s70 2 make sure there is about dc 270 v between pins 4 and 7 3 with the system and the power still off reconnect the connector s70 4 make a turn of the fan motor with a hand and make sure the pulse 0 15 v appears twice at pins 1 and 4 135
- Note check to make sure that the voltage between the terminal of power transistor and is approx 0 volt before checking power transistor 135
- Power transistor check 135
- Propeller fan motor s70 135
- Turning speed pulse input on the outdoor unit pcb check 135
- Indoor unit 28 137
- Outdoor unit 59 137
- Part 7 removal procedure 137
- Indoor unit 138
- Procedure 138
- Removal of air filter 138
- Procedure 140
- Removal of front panel 140
- Remove the front panel caution on mounting when mounting the front panel fit the right and left rotary shafts one by one into the grooves and fully push them in position 141
- Procedure 142
- Removal of front grille 142
- Procedure 145
- Removal of horizontal blades and vertical blades 145
- Remove the horizontal blade small while bending the fixed part at the center slightly 146
- Removing the horizontal blade small 146
- Unfasten the key type fixing shaft at the right side 146
- Unfasten the left side 146
- Procedure 148
- Removal of electrical box 148
- Procedure 151
- Removal of pcb 151
- Indoor unit siebe04 507 156
- Lead free solder pbf is used for the pcb when replacing the pcb use the specific solder and soldering iron 156
- Lift up the bottom of the control pcb and pull it out 156
- Removal procedure 156
- S1 to dc fan motor s6 to swing motor s21 ha connector s26 to display pcb s28 to signal receiver pcb s32 to heat exchanger thermistor s35 to intelligent eye pcb 156
- Step procedure points 156
- The figures show the names of the pcb component parts 156
- When mounting the control pcb make sure that it is fixed by upper hooks 156
- Procedure 157
- Removal of drain pan unit 157
- Procedure 161
- Removal of fan motor 161
- Remove the fan motor 162
- Unfasten the hook a of the fan motor fixing plate with your thumb 162
- Unfasten the hook c 162
- Procedure 163
- Removal of heat exchanger 163
- Procedure 166
- Removal of fan rotor 166
- Outdoor unit 169
- Procedure 169
- Removal of panels and fan motor 169
- Loosen the 2 screws on the rear side 174
- Loosen the 3 screws on the right side 174
- Loosen the screw and lift the connection port to remove 174
- Remove the right side panel 174
- When reassembling make sure to fit the hook 175
- Procedure 176
- Removal of electrical box 176
- Procedure 178
- Removal of reactor and partition plate 178
- Procedure 180
- Removal of sound blanket 180
- Procedure 182
- Removal of four way valve 182
- Procedure 184
- Removal of compressor 184
- Heat up the brazed part of the suction side and disconnect 185
- Lift the compressor up and remove it 185
- Procedure 186
- Removal of pcb 186
- Lift and pull out the pcb 187
- Loosen the 4 screws 187
- Undo the 3 hooks on the upper side 187
- Feature of the pcb s70 fan motor s80 four way valve s90 thermistor outdoor air heat exchanger discharge pipe 188
- Outdoor unit siebe04 507 188
- Procedure points 188
- Removal procedure 188
- Others 80 189
- Part 8 others 189
- For cooling only 190
- For heat pump 190
- Others 190
- Test run from the remote controller 190
- How to set the different addresses control pcb of the indoor unit 1 remove the front grille 3 screws 2 remove the electrical box 1 screw 3 remove the drip proof plate 4 tabs 4 cut the address jumper ja on the control pcb 191
- Jumper setting 191
- Jumper settings 191
- When two indoor units are installed in one room the two wireless remote controllers can be set for different addresses 191
- When two units are installed in one room 191
- Wireless remote controller 1 slide the front cover and take it off 2 cut the address jumper j4 191
- Part 9 appendix 193
- Piping diagrams 84 193
- Wiring diagrams 87 193
- Ftk x s20 25 35dvmw l ftk x s20 25 35dvmw9 ftk x s20 25 35d2vmw l 194
- Indoor units 194
- Piping diagrams 194
- Appendix 185 195
- Cooling only 195
- Outdoor units 195
- Rks20 25dvmb rks20 25d2vmb 195
- Rks35dvmb rks35d2vmb 195
- Siebe04 507 piping diagrams 195
- Appendix 196
- Heat pump 196
- Piping diagrams siebe04 507 196
- Rxs20 25dvmb rxs20 25d2vmb 196
- Rxs35dvmb rxs35d2vmb 196
- Appendix 187 197
- C74 c75 197
- C94 c95 c100 capacitor 197
- Condenser 197
- D042576c 197
- D046707b 197
- D047523 197
- Db1 db2 diode bridge fu1 fu2 fu3 fuse 197
- Discharge r3t 197
- Field wiring 197
- Ftk x s20 25 35dvmbw l ftk x s20 25 35dvmw9 ftk x s20 25 35d2vmw l 197
- Grn ylw 197
- Hc3 hc4 hl3 hn3 connector s80 s90 s91 197
- Ic11 triac 197
- Indoor 197
- Indoor units 197
- Intelligent power module 197
- L live ipm1 197
- L1 coil l1r reactor m1c compressor motor m1f fan motor 197
- Mrcw mrm10 mrm20 magnetic relay 197
- N 2 z1c 197
- N neutral 197
- Note that operation will restart automatically if the main power supply is turned off and then back on again 197
- Outdoor 197
- Outdoor units 197
- Pcb1 pcb2 printed circuit board 197
- Protective earth 197
- Q1l overload protector 197
- R1t r2t r3t thermistor 197
- Rectifier 197
- Rk x s20 25 35dvmb rk x s20 25 35d2vmb 197
- S10 s11 s20 197
- S30 s40 s70 197
- Sa1 surge arrester 197
- Siebe04 507 wiring diagrams 197
- Signal receiver 197
- Type heat pump in case of 197
- V1 v2 v3 varistor 197
- Wht red 197
- Wiring diagrams 197
- X1m terminal strip 197
- Y1e electronic expansion valve coil y1r reversing solenoide valve coil 197
- Z1c z2c ferrite core 197
- Numerics 199
- Drawings flow charts 203
- B 8400 ostend belgium 205
- Siebe04 507 06 2005 prepared in belgium by lannoo 205
- Www daikineurope com 205
- Zandvoordestraat 300 205
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