Fujitsu ARYA45LCTU - Indoor Unit Error Detection; Receiver Unit Display Troubleshooting

2011.05.16 16
Troubleshooting with the receiver unit display
INDOOR UNIT (Option)
Error is displayed on the wired and
wireless remote control.
TIMER Lamp
(Orange)
OPERATION
Lamp (Green)
MANUAL AUTO
Lamps show error contents by flashing as follows.
OPERATION
Lamp
TIMER
Lamp
FILTER
Lamp
Error contents
2 times
Indoor signal error
3 times
4 times
5 times
8 times
Wired remote control abnormal
2 times 2 times
Indoor room thermistor error
2 times
3 times
Indoor heat exchanger thermistor
Indoor heat exchanger thermistor
(middle) error
2 times 4 times
(inlet) error
2 times 6 times Float switch operated
3 times 2 times
Outdoor discharge pipe thermistor
error
3 times 3 times
(outlet) error
3 times
4 times Outdoor thermistor error
3 times 7 times Heat sink thermistor (Inverter) error
3 times 8 times Compressor thermistor error
3 times 2 times 2-way valve thermistor error
3 times
3 times 3-way valve thermistor error
3 times
4 times
Outdoor heat exchanger thermistor
Outdoor heat excahnger thermistor
(middle) error
3 times
5 times Heat sink thermistor (PFC) error
4 times 2 times Indoor manual auto switch abnormal
4 times
4 times Power supply frequency detection error
5 times
2 times
IPM protection
5 times 3 times
CT error
5 times 5 times Compressor location error
5 times 6 times
Outdoor fan error
5 times 7 times
Connected indoor unit abnormal
5 times 8 times
Outdoor unit computer communication
error
5 times
2 times Inverter error
6 times 2 or 3 times
Indoor fan abnormal
7 times 2 times Discharge temperature error
7 times 3 times
Excessive high pressure protection
on cooling
7 times 4 times
4-way valve abnormal
7 times 5 times
Pressure switch abnormal,
Pressure sensor abnormal
7 times 6 times Compressor temperature error
7 times 7 times
Low pressure error
8 times 2 or 3 times
Active filter abnormal
8 times 4 times
PFC circuit error
9 times 2 times
Refrigerant circuit address set-up error
9 times 3 times Master unit, Slave unit set-up error
9 times 4 times Connected indoor number set-up error
Flash means "0.5 second on / 0.5 second off".
off
off
off
off
8 times 6 times
PFC PCB error
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
3rd Lamp (Red)
REMOTE CONTROL
SIGNAL RECEIVER