ERROR CONTENTS
Error Operation
LED
10 C heat
LED
Timer LED
Serial signal error Off
2 flash
3 flash
4 flash
5 flash
Serial signal (reverse) error, at operation start up
Serial signal (reverse) error, during oeration
Serial signal (forward) error, at operation start up
Serial signal (forward) error, during operation
8 flash Wired remote controller error
Indoor unit
thermistor error 2 flash
2 flash
Outdoor unit
thermistor error 3 flash
3 flash
2 flash
3 flash
4 flash
Indoor unit control error 4 flash
2 flash
Indoor unit LED Wired
remote
controller Error
Outdoor unit
control error 5 flash
2 flash
3 flash
5 flash
Indoor fan motor error 6 flash Off
Off
Abnormal rotation (lower fan motor)
CT abnormal
Outdoor unit fan drive system abnormal
2 flash
Refrigerant cycle error 7 flash
3 flash
Optional function error
Model information error
8 flash
0.1 sec on/off 0.1 sec on/off
4 flash
6 flash
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
3 flash
5 flash
Off
Off
0.1 sec on/off
Off
Off
01
01
13
13
00
02
04
0C
06
0A
--
17
18
1A
12
Off 4 flash 2E
5 flash Damper is not normally open or closed
Damper is not normally open or closed
Damper is not normally open or closed
Off 2E
Off Abnormal lock (lower fan motor)2 flash 12
11
2E
2 flash
3 flash
Abnormal lock (upper fan motor)
Abnormal rotation (upper fan motor)
Off
Off
12
12
0F
24
25
1B
Current trip error
Outdoor air thermistor error
Indoor air thermistor error
Heat exchanger thermistor error
Heat exchanger middle thermistor error
Discharge pipe thermistor error
Main relay welded
2 flash Off 20 Manual auto button welded
Compressor location detection error
Model information error
Discharge temperature abnormal
Cooling high pressure abnormal rise
PFC circuit error
2007.12.11 12
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