0.5
sec.
2 times
0.5 sec
2 times
Room temperature
thermistor defective
The room temperature thermistor detected a abnormal temperature when the power was turned on.
> Remote control does not operate.
[Diagnosis Point]
- Check Thermistor resistance value (Refer to “Thermistor characteristics table”).
- Controller PCB defective.
0.5 sec
3 times
Indoor Heat Exchanger
Thermistor Error
The detection value of the indoor heat exchanger thermistor is either open or shorted when the power is ON.
> Remote control does not operate.
[Diagnosis Point]
- Check Thermistor resistance value (Refer to “Thermistor characteristics table”).
- Controller PCB defective.
0.5
sec.
3 times
0.5 sec
2 times
Discharge Thermistor
Error
The detection value of the discharge thermistor is either open or shorted
> Compressor, Outdoor Fan : OFF (It automatically releases when the normal value is detected.)
[Diagnosis Point]
- Check Thermistor resistance value (Refer to “Thermistor characteristics table”).
- Controller PCB defective.
0.5 sec
3 times
Outdoor Heat Exchanger
Thermistor Error
The detection value of the outdoor heat exchanger thermistor is open.
> Compressor, Outdoor Fan : OFF (It automatically releases when the normal value is detected.)
[Diagnosis Point]
- Check Thermistor resistance value (Refer to “Thermistor characteristics table”).
- Controller PCB defective
0.5 sec
4 times
Outdoor Temperature
Thermistor Error
The detection value of the outdoor temperature thermistor is either open or shorted
> Compressor, Outdoor Fan : OFF (It automatically releases when the normal value is detected.)
[Diagnosis Point]
- Check Thermistor resistance value (Refer to “Thermistor characteristics table”).
- Controller PCB defective.
0.5 sec
8 times
The detection value of the compressor thermistor is either open or shorted
> Compressor, Outdoor Fan : OFF (It automatically releases when the normal value is detected.)
[Diagnosis Point]
07-04
Indoor unit
thermistor error
Outdoor unit
thermistor error
Compressor Temperature
Thermistor Error
- Check Thermistor resistance value (Refer to “Thermistor characteristics table”).
- Controller PCB defective
02
04
0C
06
0A
15
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