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Si10-417 Troubleshooting
Service Diagnosis 71
Trouble
shooting
Check No.4
Refer to
P.151
Check No.6
Refer to
P.157
Check No.11
Refer to
P.162
Discharge
pipe
thermistor
Outdoor
unit heat
exchanger
thermistor
Outdoor
temperature
thermistor
Refrigerant
shortage
Four way
valve
malfunc-
tioning
Water
mixed
Stop valve
defective
Replace a defective
thermistor.
Replace the valve
itself or the coil.
Refer to the refrigerant
line check procedure.
Replace the outdoor
unit PCB.
(R2846)
Check No. 6
Check the thermistors.
Malfunctioning
Functioning
Functioning
Functioning
Check No. 11
Check the refrigerant
line.
Malfunctioning
Malfunctioning
Check No. 4
Check the electronic
expansion
valve.
Caution
Be sure to turn off power switch before connect or
disconnect connector, or parts damage may be occurred.
Si10-417.fm Page 71 Wednesday, September 22, 2004 6:38 PM
Содержание
- Pocket manual 1
- Diagnosis by led 2
- Diagnosis by remote controller 2
- Error codes and description of fault 1 2
- List of applicable models 1 2
- Table of contents 2
- Troubleshooting 4 2
- Diagnosis by led 3
- Indoor unit 3
- Wall mounted type 3
- Duct connected type 4
- Floor ceiling suspended dual type 4
- Floor standing type 4
- Operation lamp green 4
- Outdoor unit 5
- The outdoor unit has one green led led a on the pcb the flashing green led indicates normal condition of microcomputer operation 5
- Diagnosis by remote controller 7
- Method 1 7
- To know the error code 7
- When the timer cancel button is held down for 5 seconds a 00 indication flashes on the temperature display section 7
- Method 2 9
- Indoor units 12
- List of applicable models 12
- Wall mounted type 12
- Floor standing type 15
- Duct connected type 16
- Floor ceiling suspended dual type 17
- Outdoor units 18
- Error codes and description of fault 22
- Indoor unit 22
- Outdoor unit 23
- System 24
- Indoor unit 25
- Indoor unit pcb abnormality 25
- Troubleshooting 25
- Freeze up protection control or high pressure control 26
- Check no refer to p 57 27
- 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 27
- Service diagnosis 27
- Si10 417 fm page 26 wednesday september 22 2004 6 38 pm 27
- Trouble shooting 27
- Troubleshooting si10 417 27
- Check no 6 refer to p 67 28
- Detection error due to faulty indoor unit pcb 28
- Fan motor ac motor or related abnormality 28
- Malfunction decision conditions 28
- Method of malfunction detection 28
- Operation halt due to breaking of the fan motor lead wires 28
- Operation halt due to breaking of wire inside the fan motor 28
- Operation halt due to faulty capacitor of the fan motor 28
- Operation halt due to short circuit inside the fan motor winding 28
- Remote controller display 28
- Service diagnosis 27 28
- Si10 417 fm page 27 wednesday september 22 2004 6 38 pm 28
- Si10 417 troubleshooting 28
- Supposed causes 28
- The rotation speed detected by the hall ic during fan motor operation is used to determine abnormal fan motor operation 28
- Trouble shooting 28
- When the detected rotation speed is less than 50 of the hh tap under maximum fan motor rotation demand 28
- Service diagnosis 29
- Si10 417 fm page 28 wednesday september 22 2004 6 38 pm 29
- Troubleshooting si10 417 29
- Fan motor dc motor or related abnormality 30
- Check no refer to p 49 31
- Check no refer to p 50 31
- Service diagnosis 31
- Si10 417 fm page 30 wednesday september 22 2004 6 38 pm 31
- Trouble shooting 31
- Troubleshooting si10 417 31
- Check no 2 check output of indoor unit pcb 1 32
- Replace indoor unit pcb 1 32
- Replace indoor unit pcb 2 32
- Service diagnosis 31 32
- Si10 417 fm page 31 wednesday september 22 2004 6 38 pm 32
- Si10 417 troubleshooting 32
- Thermistor or related abnormality indoor unit 33
- Shutter drive motor shutter limit switch abnormality 34
- Check the shutter for deformation or its sealing material 35
- Check the shutter s sealing material 35
- Service diagnosis 35
- Si10 417 fm page 34 wednesday september 22 2004 6 38 pm 35
- Troubleshooting si10 417 35
- Anti icing function 36
- Outdoor unit 36
- Check no 4 37
- Check no refer to p 51 37
- Check no refer to p 57 37
- Check the electronic expansion valve 37
- Service diagnosis 37
- Si10 417 fm page 36 wednesday september 22 2004 6 38 pm 37
- Trouble shooting 37
- Troubleshooting si10 417 37
- Freeze up protection control 38
- Check no refer to p 51 39
- Check no refer to p 57 39
- Service diagnosis 39
- Si10 417 fm page 38 wednesday september 22 2004 6 38 pm 39
- Trouble shooting 39
- Troubleshooting si10 417 39
- A compressor overload is detected through compressor ol 40
- Check no 1 refer to p 62 40
- Check no 2 refer to p 56 40
- Check no refer to p 51 40
- Check no refer to p 57 40
- Electronic expansion valve defective 40
- Four way valve malfunctioning 40
- If the compressor ol is activated twice the system will be shut down 40
- Malfunction decision conditions 40
- Method of malfunction detection 40
- Ol activation compressor overload 40
- Outdoor unit pcb defective 40
- Refrigerant shortage 40
- Remote controller display 40
- Service diagnosis 39 40
- Si10 417 fm page 39 wednesday september 22 2004 6 38 pm 40
- Si10 417 troubleshooting 40
- Stop valve defective 40
- Supposed causes 40
- 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 40
- Trouble shooting 40
- Water mixed in the local piping 40
- A compressor overload is detected through compressor ol 41
- Check no 1 refer to p 55 41
- Check no 1 refer to p 62 41
- Check no refer to p 51 41
- Check no refer to p 57 41
- Electronic expansion valve defective 41
- Four way valve malfunctioning 41
- If the compressor ol is activated twice the system will be shut down 41
- Malfunction decision conditions 41
- Method of malfunction detection 41
- Ol activation compressor overload 41
- Outdoor unit pcb defective 41
- Refrigerant shortage 41
- Remote controller display 41
- Service diagnosis 41
- Si10 417 fm page 40 wednesday september 22 2004 6 38 pm 41
- Stop valve defective 41
- Supposed causes 41
- 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 41
- Trouble shooting 41
- Troubleshooting si10 417 41
- Water mixed in the local piping 41
- Ol activation compressor overload 42
- Check no 1 refer to p 55 43
- Check no 1 refer to p 62 43
- Check no refer to p 51 43
- Check no refer to p 57 43
- Service diagnosis 43
- Si10 417 fm page 42 wednesday september 22 2004 6 38 pm 43
- Trouble shooting 43
- Troubleshooting si10 417 43
- A compressor lock is detected by checking the compressor running condition through the position detection circuit 44
- Clearing condition continuous run for about 5 minutes normal 44
- Compressor lock 44
- Compressor locked 44
- Malfunction decision conditions 44
- Method of malfunction detection 44
- Note if the model doesn t have spm replace the outdoor unit pcb 44
- Remote controller display 44
- Service diagnosis 43 44
- Si10 417 fm page 43 wednesday september 22 2004 6 38 pm 44
- Si10 417 troubleshooting 44
- Supposed causes 44
- The system judges the compressor lock and cannot operation with position detection within 15 seconds after start up 44
- The system judges the compressor lock and stops due to over current 44
- The system will be shut down if the error occurs 16 times 44
- Trouble shooting 44
- A compressor lock is detected by checking the compressor running condition through the position detection circuit 45
- Clearing condition continuous run for about 5 minutes normal 45
- Compressor lock 45
- Compressor locked 45
- Malfunction decision conditions 45
- Method of malfunction detection 45
- Remote controller display 45
- Seconds after the compressor has started the position detection circuit detects a compressor frequency of above 180 hz 45
- Service diagnosis 45
- Si10 417 fm page 44 wednesday september 22 2004 6 38 pm 45
- Supposed causes 45
- The position detection circuit detects a compressor frequency of below 10 hz for 20 seconds or a frequency of above 160 hz 45
- The system will be shut down if the error occurs 16 times 45
- Trouble shooting 45
- Troubleshooting si10 417 45
- Compressor lock 46
- Service diagnosis 47
- Si10 417 fm page 46 wednesday september 22 2004 6 38 pm 47
- Troubleshooting si10 417 47
- A compressor lock is detected by checking the compressor running condition through the position detection circuit 48
- Clearing condition continuous run for about 5 minutes normal 48
- Compressor lock 48
- Compressor locked 48
- Malfunction decision conditions 48
- Method of malfunction detection 48
- Note if the model doesn t have spm replace the outdoor unit pcb 48
- Remote controller display 48
- Service diagnosis 47 48
- Si10 417 fm page 47 wednesday september 22 2004 6 38 pm 48
- Si10 417 troubleshooting 48
- Supposed causes 48
- The position detection circuit detects a compressor frequency of below 5 hz for several tens of seconds 48
- The system will be shut down if the error occurs 16 times 48
- Trouble shooting 48
- Dc fan lock 49
- Dc fan lock 50
- An input over current is detected by checking the input current value being detected by ct with the compressor running 51
- Check no 1 refer to p 58 51
- Check no refer to p 60 51
- Error detection due to outdoor unit pcb 51
- Input over current detection 51
- Malfunction decision conditions 51
- Method of malfunction detection 51
- Over current due to compressor failure 51
- Over current due to defective outdoor unit pcb 51
- Over current due to defective power transistor 51
- Over current due to short circuit 51
- Remote controller display 51
- Service diagnosis 51
- Si10 417 fm page 50 wednesday september 22 2004 6 38 pm 51
- Supposed causes 51
- The following ct input with the compressor running continues for 2 seconds cooling above 11a heating above 13a 51
- Trouble shooting 51
- Troubleshooting si10 417 51
- Note if the model doesn t have spm replace the outdoor unit pcb 52
- Service diagnosis 51 52
- Si10 417 fm page 51 wednesday september 22 2004 6 38 pm 52
- Si10 417 troubleshooting 52
- Input over current detection 53
- Check no 1 refer to p 58 54
- Check no 4 refer to p 64 54
- Check no refer to p 60 54
- Service diagnosis 53 54
- Si10 417 fm page 53 wednesday september 22 2004 6 38 pm 54
- Si10 417 troubleshooting 54
- Trouble shooting 54
- Input over current detection 55
- Check no 1 refer to p 58 56
- Check no 4 refer to p 64 56
- Check no refer to p 60 56
- Service diagnosis 55 56
- Si10 417 fm page 55 wednesday september 22 2004 6 38 pm 56
- Si10 417 troubleshooting 56
- Trouble shooting 56
- Input over current detection 57
- Check no 2 refer to p 59 58
- Check no 4 refer to p 64 58
- Check no refer to p 60 58
- Note if the model doesn t have spm replace the outdoor unit pcb 58
- Service diagnosis 57 58
- Si10 417 fm page 57 wednesday september 22 2004 6 38 pm 58
- Si10 417 troubleshooting 58
- Trouble shooting 58
- Four way valve abnormality 59
- Check no 1 refer to p 62 60
- Check no 2 refer to p 56 60
- Check no refer to p 57 60
- Functioning 60
- Service diagnosis 59 60
- Si10 417 fm page 59 wednesday september 22 2004 6 38 pm 60
- Si10 417 troubleshooting 60
- Trouble shooting 60
- Four way valve abnormality 61
- Check no 1 refer to p 62 62
- Check no 2 refer to p 56 62
- Check no refer to p 57 62
- Functioning 62
- Service diagnosis 61 62
- Si10 417 fm page 61 wednesday september 22 2004 6 38 pm 62
- Si10 417 troubleshooting 62
- Trouble shooting 62
- Four way valve abnormality 63
- Check no 1 refer to p 55 64
- Check no 1 refer to p 62 64
- Check no refer to p 57 64
- Service diagnosis 63 64
- Si10 417 fm page 63 wednesday september 22 2004 6 38 pm 64
- Si10 417 troubleshooting 64
- Trouble shooting 64
- Four way valve abnormality 65
- Check no 1 refer to p 55 66
- Check no 1 refer to p 62 66
- Check no refer to p 57 66
- Service diagnosis 65 66
- Si10 417 fm page 65 wednesday september 22 2004 6 38 pm 66
- Si10 417 troubleshooting 66
- Trouble shooting 66
- Discharge pipe temperature control 67
- Check no 1 refer to p 62 68
- Check no refer to p 51 68
- Check no refer to p 57 68
- Service diagnosis 67 68
- Si10 417 fm page 67 wednesday september 22 2004 6 38 pm 68
- Si10 417 troubleshooting 68
- Trouble shooting 68
- Discharge pipe temperature control 69
- Check no 1 refer to p 62 70
- Check no refer to p 51 70
- Check no refer to p 57 70
- Service diagnosis 69 70
- Si10 417 fm page 69 wednesday september 22 2004 6 38 pm 70
- Si10 417 troubleshooting 70
- Trouble shooting 70
- Discharge pipe temperature control 71
- Check no 1 refer to p 62 72
- Check no refer to p 51 72
- Check no refer to p 57 72
- Service diagnosis 71 72
- Si10 417 fm page 71 wednesday september 22 2004 6 38 pm 72
- Si10 417 troubleshooting 72
- Trouble shooting 72
- Discharge pipe temperature control 73
- Check no 1 refer to p 62 74
- Check no refer to p 51 74
- Check no refer to p 57 74
- Service diagnosis 73 74
- Si10 417 fm page 73 wednesday september 22 2004 6 38 pm 74
- Si10 417 troubleshooting 74
- Trouble shooting 74
- High pressure control in cooling 75
- High pressure control in cooling 76
- Check no 2 refer to p 59 77
- Check no refer to p 51 77
- Check no refer to p 57 77
- Check no refer to p 60 77
- Service diagnosis 77
- Si10 417 fm page 76 wednesday september 22 2004 6 38 pm 77
- Trouble shooting 77
- Troubleshooting si10 417 77
- Position sensor abnormality 78
- Check no 3 refer to p 63 79
- Service diagnosis 79
- Si10 417 fm page 78 wednesday september 22 2004 6 38 pm 79
- Trouble shooting 79
- Troubleshooting si10 417 79
- Position sensor abnormality 80
- Check no 3 refer to p 63 81
- Service diagnosis 81
- Si10 417 fm page 80 wednesday september 22 2004 6 38 pm 81
- Trouble shooting 81
- Troubleshooting si10 417 81
- Position sensor abnormality 82
- Check no 3 refer to p 63 83
- Service diagnosis 83
- Si10 417 fm page 82 wednesday september 22 2004 6 38 pm 83
- Trouble shooting 83
- Troubleshooting si10 417 83
- Position sensor abnormality 84
- Check no 3 refer to p 63 85
- Service diagnosis 85
- Si10 417 fm page 84 wednesday september 22 2004 6 38 pm 85
- Trouble shooting 85
- Troubleshooting si10 417 85
- A ct or related error is detected by checking the compressor running frequency and ct detected input current 86
- Check no 2 refer to p 63 86
- Ct or related abnormality 86
- If this error repeats 4 times the system will be shut down 86
- Internal wiring broken or in poor contact 86
- Malfunction decision conditions 86
- Method of malfunction detection 86
- Outdoor unit pcb defective 86
- Power transistor defective 86
- Reactor defective 86
- Remote controller display 86
- Service diagnosis 85 86
- Si10 417 fm page 85 wednesday september 22 2004 6 38 pm 86
- Si10 417 troubleshooting 86
- Supposed causes 86
- The compressor running frequency is below 62 hz and the ct input is below 0 v the input current is also below 0 a 86
- 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 86
- Trouble shooting 86
- Note if the model doesn t have spm replace the outdoor unit pcb 87
- Service diagnosis 87
- Si10 417 fm page 86 wednesday september 22 2004 6 38 pm 87
- Troubleshooting si10 417 87
- A ct or related error is detected by checking the compressor running frequency and ct detected input current 88
- Check no 2 refer to p 63 88
- Ct or related abnormality 88
- If this error repeats 4 times the system will be shut down 88
- Internal wiring broken or in poor contact 88
- Malfunction decision conditions 88
- Method of malfunction detection 88
- Outdoor unit pcb defective 88
- Power transistor defective 88
- Reactor defective 88
- Remote controller display 88
- Service diagnosis 87 88
- Si10 417 fm page 87 wednesday september 22 2004 6 38 pm 88
- Si10 417 troubleshooting 88
- Supposed causes 88
- The compressor running frequency is below 55 hz and the ct input is below 0 v the input current is also below 1 5 a 88
- 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 88
- Trouble shooting 88
- Service diagnosis 89
- Si10 417 fm page 88 wednesday september 22 2004 6 38 pm 89
- Troubleshooting si10 417 89
- Ct or related abnormality 90
- Any led off 91
- Check no 2 refer to p 63 91
- Check with the inverter checker 91
- Compressor running 91
- Correct the power supply or replace the spm replace the outdoor unit pcb 91
- Inverter checker part no 1225477 91
- Replace the compressor 91
- Replace the outdoor unit pcb 91
- Service diagnosis 91
- Si10 417 fm page 90 wednesday september 22 2004 6 38 pm 91
- Trouble shooting 91
- Troubleshooting si10 417 91
- Turn off the power disconnect the harnesses u v and w 91
- A ct or related error is detected by checking the compressor running frequency and ct detected input current 92
- Check no 2 refer to p 63 92
- Ct or related abnormality 92
- If this error repeats 4 times the system will be shut down 92
- Internal wiring broken or in poor contact 92
- Malfunction decision conditions 92
- Method of malfunction detection 92
- Outdoor unit pcb defective 92
- Power transistor defective 92
- Reactor defective 92
- Remote controller display 92
- Service diagnosis 91 92
- Si10 417 fm page 91 wednesday september 22 2004 6 38 pm 92
- Si10 417 troubleshooting 92
- Supposed causes 92
- The compressor running frequency is above 68 hz and the ct input is below 0 v the input current is also below 1 5 a 92
- 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 92
- Trouble shooting 92
- Note if the model doesn t have spm replace the outdoor unit pcb 93
- Service diagnosis 93
- Si10 417 fm page 92 wednesday september 22 2004 6 38 pm 93
- Troubleshooting si10 417 93
- P4 j3 j6 h9 94
- Thermistor or related abnormality outdoor unit 94
- Check no refer to p 57 95
- P4 radiation fin thermistor j3 discharge pipe thermistor j6 outdoor heat exchanger thermistor h9 outdoor air thermistor 95
- Service diagnosis 95
- Si10 417 fm page 94 wednesday september 22 2004 6 38 pm 95
- Trouble shooting 95
- Troubleshooting si10 417 95
- P4 j3 j6 j8 j9 h9 96
- Thermistor or related abnormality outdoor unit 96
- Check no refer to p 57 97
- P4 radiation fin thermistor j3 discharge pipe temperature thermistor j6 outdoor unit heat exchanger temperature thermistor j8 liquid pipe thermistor j9 gas pipe thermistor h9 outdoor temperature thermistor 97
- Service diagnosis 97
- Si10 417 fm page 96 wednesday september 22 2004 6 38 pm 97
- Trouble shooting 97
- Troubleshooting si10 417 97
- P4 j3 j6 j8 j9 h9 98
- Thermistor or related abnormality outdoor unit 98
- Check no refer to p 57 99
- P4 radiation fin thermistor j3 discharge pipe temperature thermistor j6 outdoor unit heat exchanger temperature thermistor j8 liquid pipe temperature thermistor j9 gas pipe temperature thermistor h9 outdoor air temperature thermistor 99
- Service diagnosis 99
- Si10 417 fm page 98 wednesday september 22 2004 6 38 pm 99
- Trouble shooting 99
- Troubleshooting si10 417 99
- Electrical box temperature rise 100
- Service diagnosis 101
- Si10 417 fm page 100 wednesday september 22 2004 6 38 pm 101
- Troubleshooting si10 417 101
- Electrical box temperature rise 102
- Service diagnosis 103
- Si10 417 fm page 102 wednesday september 22 2004 6 38 pm 103
- Troubleshooting si10 417 103
- Electrical box temperature rise 104
- Service diagnosis 105
- Si10 417 fm page 104 wednesday september 22 2004 6 38 pm 105
- Troubleshooting si10 417 105
- Electrical box temperature rise 106
- Service diagnosis 107
- Si10 417 fm page 106 wednesday september 22 2004 6 38 pm 107
- Troubleshooting si10 417 107
- Radiation fin temperature rise 108
- Service diagnosis 109
- Si10 417 fm page 108 wednesday september 22 2004 6 38 pm 109
- Troubleshooting si10 417 109
- Radiation fin temperature rise 110
- Service diagnosis 111
- Si10 417 fm page 110 wednesday september 22 2004 6 38 pm 111
- Troubleshooting si10 417 111
- Radiation fin temperature rise 112
- Service diagnosis 113
- Si10 417 fm page 112 wednesday september 22 2004 6 38 pm 113
- Troubleshooting si10 417 113
- Radiation fin temperature rise 114
- Service diagnosis 115
- Si10 417 fm page 114 wednesday september 22 2004 6 38 pm 115
- Troubleshooting si10 417 115
- Output over current detection 116
- Check no 1 refer to p 58 117
- Check no 3 refer to p 63 117
- Check no refer to p 60 117
- Service diagnosis 117
- Si10 417 fm page 116 wednesday september 22 2004 6 38 pm 117
- Trouble shooting 117
- Troubleshooting si10 417 117
- Service diagnosis 117 118
- Si10 417 fm page 117 wednesday september 22 2004 6 38 pm 118
- Si10 417 troubleshooting 118
- Output over current detection 119
- Check no 1 refer to p 58 120
- Check no 3 refer to p 63 120
- Check no refer to p 60 120
- Service diagnosis 119 120
- Si10 417 fm page 119 wednesday september 22 2004 6 38 pm 120
- Si10 417 troubleshooting 120
- Trouble shooting 120
- Service diagnosis 121
- Si10 417 fm page 120 wednesday september 22 2004 6 38 pm 121
- Troubleshooting si10 417 121
- Output over current detection 122
- Check no 2 refer to p 59 123
- Check no 3 refer to p 63 123
- Check no refer to p 60 123
- Service diagnosis 123
- Si10 417 fm page 122 wednesday september 22 2004 6 38 pm 123
- Trouble shooting 123
- Troubleshooting si10 417 123
- Service diagnosis 123 124
- Si10 417 fm page 123 wednesday september 22 2004 6 38 pm 124
- Si10 417 troubleshooting 124
- Insufficient gas 125
- System 125
- Check no refer to p 51 126
- Check no refer to p 57 126
- Service diagnosis 125 126
- Si10 417 fm page 125 wednesday september 22 2004 6 38 pm 126
- Si10 417 troubleshooting 126
- Trouble shooting 126
- Service diagnosis 127
- Si10 417 fm page 126 wednesday september 22 2004 6 38 pm 127
- Troubleshooting si10 417 127
- Insufficient gas 128
- Check no refer to p 51 129
- Check no refer to p 57 129
- Service diagnosis 129
- Si10 417 fm page 128 wednesday september 22 2004 6 38 pm 129
- Trouble shooting 129
- Troubleshooting si10 417 129
- Service diagnosis 129 130
- Si10 417 fm page 129 wednesday september 22 2004 6 38 pm 130
- Si10 417 troubleshooting 130
- Insufficient gas 131
- Check no refer to p 51 132
- Check no refer to p 57 132
- Service diagnosis 131 132
- Si10 417 fm page 131 wednesday september 22 2004 6 38 pm 132
- Si10 417 troubleshooting 132
- Trouble shooting 132
- Service diagnosis 133
- Si10 417 fm page 132 wednesday september 22 2004 6 38 pm 133
- Troubleshooting si10 417 133
- Insufficient gas 134
- Check no refer to p 51 135
- Check no refer to p 57 135
- Service diagnosis 135
- Si10 417 fm page 134 wednesday september 22 2004 6 38 pm 135
- Trouble shooting 135
- Troubleshooting si10 417 135
- Service diagnosis 135 136
- Si10 417 fm page 135 wednesday september 22 2004 6 38 pm 136
- Si10 417 troubleshooting 136
- Over voltage detection 137
- Low voltage detection 138
- Low voltage detection 139
- Service diagnosis 139 140
- Si10 417 fm page 139 wednesday september 22 2004 6 38 pm 140
- Si10 417 troubleshooting 140
- Trouble shooting 140
- Over voltage detection 141
- Note if the model doesn t have spm replace the outdoor unit pcb 142
- Service diagnosis 141 142
- Si10 417 fm page 141 wednesday september 22 2004 6 38 pm 142
- Si10 417 troubleshooting 142
- Trouble shooting 142
- Signal transmission error between indoor and outdoor units 143
- Check no 0 refer to p 62 144
- Service diagnosis 143 144
- Si10 417 fm page 143 wednesday september 22 2004 6 38 pm 144
- Si10 417 troubleshooting 144
- Trouble shooting 144
- Outdoor unit pcb abnormality or signal transmission circuit abnormality 145
- Service diagnosis 145 146
- Si10 417 fm page 145 wednesday september 22 2004 6 38 pm 146
- Si10 417 troubleshooting 146
- Trouble shooting 146
- Indoor unit pcb defective 147
- Malfunction decision conditions 147
- Method of malfunction detection 147
- Outdoor units 147
- Remote controller display 147
- Supposed causes 147
- The separate type and multi type are interconnected 147
- The supply power is detected for its requirements different from separate type and multi type by the indoor outdoor transmission signal 147
- Trouble shooting 147
- Unspecified voltage between indoor and 147
- Wrong indoor unit pcb mounted 147
- Wrong models interconnected 147
- Wrong outdoor unit pcb mounted or defective 147
- Anti icing function in other rooms 148
- Unspecified voltage between indoor and outdoor units 148
- Anti icing function in other rooms unspecified voltage between indoor and outdoor units 149
- 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 1 150
- Check no 1 150
- Fan motor connector output check 150
- Check connector connection 2 check motor control voltage output pins 2 1 151
- Check no 151
- Check no 2 151
- Limit switch continuity check 151
- 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 151
- The shutter can be opened and closed with hand keep the shutter open and closed all the way for each continuity check steps 151
- Electronic expansion valve check 152
- Check no 1 156
- Four way valve performance check 156
- Service diagnosis 155 156
- Si10 417 fm page 155 wednesday september 22 2004 6 38 pm 156
- Si10 417 troubleshooting 156
- Check no 2 157
- Service diagnosis 157
- Si10 417 fm page 156 wednesday september 22 2004 6 38 pm 157
- Troubleshooting si10 417 157
- Check no 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 158
- Service diagnosis 157 158
- Si10 417 fm page 157 wednesday september 22 2004 6 38 pm 158
- Si10 417 troubleshooting 158
- Thermistor resistance check 158
- Check no 1 159
- Installation condition check 159
- Service diagnosis 159
- Si10 417 fm page 158 wednesday september 22 2004 6 38 pm 159
- Troubleshooting si10 417 159
- Check no 2 160
- Service diagnosis 159 160
- Si10 417 fm page 159 wednesday september 22 2004 6 38 pm 160
- Si10 417 troubleshooting 160
- Check no 161
- Discharge pressure check 161
- Outdoor unit fan system check 161
- Service diagnosis 161
- Si10 417 fm page 160 wednesday september 22 2004 6 38 pm 161
- Troubleshooting si10 417 161
- With dc motor 161
- Service diagnosis 161 162
- Si10 417 fm page 161 wednesday september 22 2004 6 38 pm 162
- Si10 417 troubleshooting 162
- With ac motor 162
- Check no 0 measure the power supply waveform between pins 1 and 3 on the terminal board and check the waveform disturbance 163
- Check no 1 163
- Check to see if the power supply waveform is a sine wave fig 163
- Check to see if there is waveform disturbance near the zero cross sections circled in fig 163
- Fig fig 163
- Inverter units refrigerant system check 163
- Power supply waveforms check 163
- Service diagnosis 163
- Si10 417 fm page 162 wednesday september 22 2004 6 38 pm 163
- Troubleshooting si10 417 163
- Capacitor voltage check 164
- Power transistor check 164
- Main circuit electrolytic capacitor check 165
- Turning speed pulse input on the outdoor unit pcb check 166
- Hall ic check 168
- Cover fm page 2 wednesday september 22 2004 6 36 pm 169
- Dealer 169
- Http www daikin com global 169
- Printed in japan 09 2004 ak 169
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