SiEN12-710A
Service Diagnosis
101
Part 6
Service Diagnosis
1. Caution for Diagnosis..........................................................................102
2. Problem Symptoms and Measures .....................................................104
3. Service Check Function ......................................................................105
3.1 Check Method 1 ...................................................................................105
3.2 Check Method 2 ...................................................................................106
4. Troubleshooting ..................................................................................108
4.1 Error Codes and Description ................................................................108
4.2 Indoor Unit PCB Abnormality ...............................................................109
4.3 Freeze-up Protection Control or High Pressure Control.......................110
4.4 Fan Motor or Related Abnormality .......................................................112
4.5 Thermistor or Related Abnormality (Indoor Unit)..................................115
4.6 Front Panel Open / Close Fault............................................................116
4.7 Freeze-up Protection Control ...............................................................117
4.8 OL Activation (Compressor Overload) .................................................119
4.9 Compressor Lock .................................................................................120
4.10 DC Fan Lock ........................................................................................121
4.11 Input Over Current Detection ...............................................................122
4.12 Discharge Pipe Temperature Control...................................................124
4.13 High Pressure Control in Cooling .........................................................125
4.14 Compressor Sensor System Abnormality ............................................127
4.15 Position Sensor Abnormality ................................................................128
4.16 DC Voltage / DC Current Sensor Abnormality .....................................130
4.17 Thermistor or Related Abnormality (Outdoor Unit)...............................131
4.18 Electrical Box Temperature Rise..........................................................133
4.19 Radiation Fin Temperature Rise ..........................................................135
4.20 Output Over Current Detection.............................................................137
4.21 Insufficient Gas.....................................................................................139
4.22 Over-voltage Detection / Low-voltage Detection ..................................141
4.23 Anti-icing Function in Other Rooms / Unspecified Voltage
(between Indoor and Outdoor Units) ....................................................142
4.24 Outdoor Unit PCB Abnormality or
Signal Transmission Circuit Abnormality..............................................143
5. Check ..................................................................................................146
5.1 How to Check .......................................................................................146
Содержание 2MKS40FV1B
Страница 11: ...Introduction SiEN12 710A x ...
Страница 12: ...SiEN12 710A List of Functions 1 Part 1 List of Functions 1 Cooling Only 2 2 Heat Pump 4 ...
Страница 17: ...Heat Pump SiEN12 710A 6 List of Functions ...
Страница 25: ...Heat Pump SiEN12 710A 14 Specifications ...
Страница 33: ...Printed Circuit Board Connector Wiring Diagram SiEN12 710A 22 Printed Circuit Board Connector Wiring Diagram ...
Страница 75: ...Instruction SiEN12 710A 64 Operation Manual 2 3 Names of Parts FTKS 25 35 D FTXS 25 35 E Indoor unit ...
Страница 111: ...Instruction SiEN12 710A 100 Operation Manual ...
Страница 199: ...Wiring Diagrams SiEN12 710A 188 Appendix ...
Страница 203: ...SiEN12 710A iv Index ...