02-02
The OPERATION, TIMER and SWING lamps operate
as follows according to the error contents.
Error display
OPERARION TIMER SWING
(RED) (GREEN) (ORANGE)
Error contents
2 times
2 times
3 times
3 times
5 times
6 times
5 times
8 times
9 times
IPM error 10 times
13 times
14 times
5 times
3 times
4 times
5 times
3 times
2 times
4 times
:
Fast flashing
:
Slow flashing
:
Off
2-way valve temperature thermistor error
Connected indoor unit error
Indoor heat exchanger temperature
thermistor error (Opened)
Indoor heat exchanger temperature
thermistor error (Short circuited)
Outdoor heat exchanger temperature
thermistor error
Outdoor discharge pipe temperature
thermistor error
Compressor rotor location cannot detect
(permanent stop)
Compressor temperature thermistor error
Outdoor temperature thermistor error
3-way valve temperature thermistor error
Communication error
(Serial reverse transfer error)
Outdoor communication signal error
(Forward transfer signal error)
Indoor fan error
Pressure switch error
Indoor EEPROM abnormal
(Model No.)
Outdoor unit fan motor error
Trouble
shooting
Room temperature thermistor error
(Opened)
Room temperature thermistor error
(Short circuited)
Main CPU-Sub CPU communication error
9
3
4
2
11
10
4 times
Water drain abnormal
6
12
13
21
22
23
14
17
18
24
5
7
8
For AS*18/ 24LBAJ
For AB*14L - 24L / AU*12L - 18L