Fujitsu AOY14LFBC User Manual

0.1
sec.
blinki
ng
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
2 times
0.1 sec.
blinking
Indoor Unit
Thermistor
Error
0.1
sec.
blinki
ng
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.
0.1
sec.
blinki
ng
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.
0.1
sec.
blinki
ng
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
3 times
0.1 sec.
blinking
Outdoor Unit
Thermistor
Error
0.1
sec.
blinki
ng
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
4 times
0.1 sec.
blinking
Indoor Unit
Controller
Error
0.1
sec.
blinki
ng
0.5 sec
2 times
Forced Auto Switch
Error
Forced Auto Switch becomes ON for 10 consecutive seconds.
> It indicates the error but the operation continues.
[Diagnosis Point]
- Check if Forced Auto Switch is kept pressed.
- Forced Auto Switch defective.
- Controller PCB defective.
07-04

Fujitsu AOY14LFBC Specifications

General

Brand	Fujitsu
Model	AOY14LFBC
Category	Air Conditioner
Language	English