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SiEN04-306D
Service Diagnosis
101
Part 6
Service Diagnosis
1. Caution for Diagnosis..........................................................................102
2. Problem Symptoms and Measures .....................................................103
3. Service Check Function ......................................................................104
4. Troubleshooting ..................................................................................107
4.1
Error Codes and Description ................................................................107
4.2
Indoor Unit PCB Abnormality ...............................................................108
4.3
Freeze-up Protection Control or High Pressure Control.......................109
4.4
Fan Motor (DC Motor) or Related Abnormality.....................................111
4.5
Thermistor or Related Abnormality (Indoor Unit)..................................113
4.6
Signal Transmission Error (between Indoor and Outdoor Units)..........114
4.7
OL Activation (Compressor Overload) .................................................115
4.8
Compressor Lock .................................................................................116
4.9
DC Fan Lock ........................................................................................117
4.10 Input Over Current Detection ...............................................................118
4.11 Four Way Valve Abnormality................................................................120
4.12 Discharge Pipe Temperature Control...................................................122
4.13 High Pressure Control in Cooling .........................................................123
4.14 Position Sensor Abnormality ................................................................125
4.15 CT or Related Abnormality ...................................................................126
4.16 Thermistor or Related Abnormality (Outdoor Unit) ...............................128
4.17 Electrical Box Temperature Rise..........................................................130
4.18 Radiation Fin Temperature Rise ..........................................................132
4.19 Output Over Current Detection.............................................................134
4.20 Insufficient Gas.....................................................................................136
4.21 Low-voltage Detection..........................................................................138
5. Check ..................................................................................................139
5.1
How to Check .......................................................................................139
Summary of Contents for SiEN04-306D
Page 109: ...Instruction SiEN04 306D 100 System Configuration...
Page 199: ...Outdoor Unit SiEN04 306D 190 Removal Procedure...
Page 203: ...Others SiEN04 306D 194 Others...
Page 214: ...SiEN04 306D Wiring Diagrams Appendix 205 FTKD18 24 28BVMS...
Page 216: ...SiEN04 306D Wiring Diagrams Appendix 207 RKD18 24 28BVMS...