Fujitsu ARYA45LCTU Service Manual page 9

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