2009.01.13 34
Troubleshooting with the indoor display
CASSETTE TYPE
INDOOR UNIT
Error is displayed on the wired and
wireless remote control.
FILTER Lamp
(red)
FILTER Lamp
(red)
TIMER Lamp
(orange)
TIMER Lamp
(orange)
OPERATION
Lamp
(green)
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 controller abnormal
2 times 2 times
Indoor room temperature sensor error
2 times
3 times
Indoor heat exchanger temperature
Indoor heat exchanger temperature
sensor (middle) error
2 times 4 times
sensor (inlet) error
2 times 6 times Float switch operated
3 times 2 times
Outdoor discharge pipe temperature
sensor error
3 times 3 times
Outdoor heat exchanger temperature
Outdoor heat exchanger temperature
sensor (outlet) error
3 times
4 times Outdoor temperature sensor error
3 times 7 times Heat sink thermistor (Inverter) error
3 times 8 times Compressor temperature sensor error
3 times 2 times 2-way valve temperature sensor error
3 times
3 times 3-way valve temperature sensor error
3 times
4 times
sensor (middle) error
3 times
5 times Heat sink thermistor (P.F.C) 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 P.F.C PCB erroroff
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
CEILING TYPE
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