The lamps show the error contents.
Operation lamp (Green)
Timer lamp (Orange)
Filter lamp (Red)
ERROR CONTENTS
INDOOR UNIT
2 times
2008.05.09 17
Serial forward transfer error during the operation
Serial forward transfer error at starting up operation
Serial reverse transfer error during the operation
Serial reverse transfer error at starting up operation
3 times
4 times
5 times
6 times
7 times
Communication error ( Main PCB Display PCB )
Communication error ( Display PCB Main PCB )
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 exchanger temperature sensor (outlet) error
Outdoor temperature sensor error
Compressor temperature sensor error
2-way valve temperature sensor error
3-way valve temperature sensor error
Outdoor heat exchanger temperature sensor (middle) error
Indoor manual auto switch abnormal
IPM protection
CT error
Compressor location error
Outdoor fan error
Connected indoor unit abnormal
Outdoor unit computer communication error
Indoor fan abnormal
Discharge temperature error
Exessive high pressure protection on cooling
4-way valve abnormal
Pressure switch abnormal
Compressor temperature error
Active filter abnormal
PFC circuit error
Model appreciation error
0.1 second flashing
Error contents
Operation
lamp (Green)
2 times
2 times
2 times
2 times
3 times
3 times
3 times
3 times
3 times
3 times
3 times
4 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
8 times
8 times
Timer lamp
(Orange)
8 times
2 times
3 times
4 times
6 times
2 times
3 times
4 times
8 times
2 times
2 times
3 times
5 times
6 times
7 times
8 times
2 or 3 times
2 times
3 times
4 times
5 times
6 times
2 or 3 times
4 times
Filter lamp
(Red)
2 times
3 times
4 times
: 0.5s ON/0.5s OFF (Flash) : OFF
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