Fujitsu ASYA24LCC Service Instructions Manual page 51

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