Error Detection - Fujitsu ABYA45LCT Service Manual

ER R OR D ETEC TION
INDOOR UNIT
Troubleshooting with the indoor display
Error is displayed on the wired and
wireless remote control.
2009.02.10
FILTER Lamp (Red)
TIMER Lamp (Orange)
OPERATION Lamp
(Green)
Lamps show error contents by flashing as follows.
TIMER
OPERATION
Lamp Lamp
off 2 times
off 3 times
off 4 times
off
5 times
off 8 times
2 times 2 times
2 times 3 times
2 times 4 times
2 times 6 times
3 times 2 times
3 times 3 times
3 times 4 times
3 times 7 times
3 times 8 times
off
3 times
3 times off
3 times off
3 times off
4 times 2 times
4 times 4 times
5 times 2 times
5 times 3 times
5 times 5 times
5 times 6 times
5 times 7 times
5 times 8 times
5 times
off
6 times 2 or 3 times
7 times 2 times
7 times 3 times
7 times 4 times
7 times 5 times
7 times 6 times
7 times 7 times
8 times 2 or 3 times
8 times 4 times
8 times 6 times
9 times 2 times
9 times
3 times
9 times 4 times
Flash means "0.5 second on / 0.5 second off".
13
FILTER
Error contents
Lamp
off
off
Indoor signal error
off
off
off
Wired remote controller abnormal
off Indoor room temperature sensor error
Indoor heat exchanger temperature
off
sensor (middle) error
Indoor heat exchanger temperature
off
sensor (inlet) error
Float switch operated
off
Outdoor discharge pipe temperature
off
sensor error
Outdoor heat exchanger temperature
off
sensor (outlet) error
off
Outdoor temperature sensor error
off
Heat sink thermistor (Inverter) error
Compressor temperature sensor error
off
2 times 2-way valve temperature sensor error
3 times 3-way valve temperature sensor error
Outdoor heat exchanger temperature
4 times
sensor (middle) error
5 times Heat sink thermistor (P.F.C) error
off Indoor manual auto switch abnormal
off
Power supply frequency detection error
off
IPM protection
off CT error
off
Compressor location error
off
Outdoor fan error
Connected indoor unit abnormal
off
Outdoor unit computer communication
off
error
2 times Inverter error
off
Indoor fan abnormal
Discharge temperature error
off
Excessive high pressure protection
off
on cooling
4-way valve abnormal
off
Pressure switch abnormal,
off
Pressure sensor abnormal
off
Compressor temperature error
off Low pressure error
off
Active filter abnormal
off P.F.C. circuit error
off P.F.C. PCB error
off Refrigerant circuit address set-up error
off Master unit, Slave unit set-up error
off Connected indoor number set-up error