Fujitsu AOY14LFBC User Manual

0.1
sec.
blinki
ng
0.5 sec
2 times
Indoor Fan Lock Error
The indoor fan speed is 0 rpm after 56 seconds from starting operation or from the time the fan mode was
changed. > Operation stops. (It releases by sending the operation stop signal from the remote controller.)
[Diagnosis Point]
- Fan motor connector loose/ defective contact.
- Fan motor defective.
- Controller PCB defective.
0.5 sec
6 times
0.1 sec.
blinking
Indoor Fan
Motor Error
0.1
sec.
blinki
ng
0.5 sec
3 times
Indoor Fan Speed Error
The indoor fan speed is 1/3 of the target frequency after 56 seconds from starting operation or from the time the
fan mode was changed. > Operation stops. (It releases by sending the operation stop signal from the remote
controller.)
[Diagnosis Point]
- Fan motor connector loose/ defective contact.
- Fan motor defective.
- Controller PCB defective.
0.1
sec.
blinki
ng
0.5 sec
2 times
Discharge Temperature
Error
The discharge temperature error is activated. > Permanent stop.
[Diagnosis Poijnt]
- Check if 2 way valve or 3 way valve is left open.
- Heat radiation is blocked (Inlet/Outlet)
- Check if Outdoor Fan is defective (does not rotate).
- Refrigeration cycle defective (Refer to after mentioned “Refrigerant cycle diagnosis”).
0.5 sec
7 times
0.1 sec.
blinking
Refrigerant
Cycle Error
0.1
sec.
blinki
ng
0.5 sec
3 times
Excessive High Pressure
Protection on Cooling
Excessive high pressure protection on cooling mode has been activated.
> Compressor, Outdoor Fan : OFF (It releases after 3 minute ST)
[Diagnosis Point]
- Heat radiation is blocked (Inlet/Outlet)
- Check if Outdoor Fan is defective (does not rotate).
- Refrigeration cycle defective (Refer to after mentioned “Refrigerant cycle diagnosis”).
0.1
sec.
blinki
ng
0.5 sec
2 times
Active Filter Error
(Permanent Stop)
Output voltage error of Active filter is detected. > Permanent stop.
[Diagnosis Point]
- Check the wiring connection (Connector is loose/open, Choke coil)
- Controller PCB defective (Refer to after mentioned “Active Filter diagnosis”)
0.5 sec
8 times
0.1 sec.
blinking
Other Error
0.1
sec.
blinki
ng
0.5 sec
3 times
Active Filter Error
Active filter error or instantaneous cut off error is detected.
> Compressor, Outdoor Fan : OFF
[Diagnosis Point]
- Check the wiring connection (Connector is loose/open, Choke coil)
- Controller PCB defective (Refer to after mentioned “Active Filter diagnosis”)
<CAUTION> Even if the unit is normal, it may detect error depending on the power supply voltage condition.
07-06

Fujitsu AOY14LFBC Specifications

General

Brand	Fujitsu
Model	AOY14LFBC
Category	Air Conditioner
Language	English