SiBE01-5033
Service Diagnosis 51
Part 6
Service Diagnosis
1. Caution for Diagnosis............................................................................52
2. Problem Symptoms and Measures .......................................................53
3. Service Check Function ........................................................................54
4. Troubleshooting ....................................................................................57
4.1 Error Codes and Description ..................................................................57
4.2 Indoor Unit PCB Abnormality .................................................................58
4.3 Freeze-up Protection Control or High Pressure Control.........................59
4.4 Fan Motor or Related Abnormality (AC motor).......................................61
4.5 Thermistor or Related Abnormality (Indoor Unit)....................................62
4.6 High Pressure Control in Cooling ...........................................................63
4.7 Thermistor or Related Abnormality (Outdoor Unit).................................65
5. Check ....................................................................................................67
5.1 Thermistor Resistance Check ................................................................67
5.2 Installation Condition Check...................................................................68
5.3 Outdoor Unit Fan System Check............................................................69
5.4 Hall IC Check .........................................................................................69
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