Error Code
Description
LED 1
(Red)
LED 2
(Green)
Indoor
status
21
DC Peak(IPM Fault)
2times
◑
1time
◑
OFF
22
Max. CT(CT2)
2times
◑
2times
◑
OFF
23
DC Link Low Volt.
2times
◑
3times
◑
OFF
24
Pressure switch/Heater Sink.
2times
◑
4times
◑
OFF
26
DC Comp Position Error
2times
◑
6times
◑
OFF
27
PFC Fault Error
2times
◑
7times
◑
OFF
29
Comp Over Current
2times
◑
9times
◑
OFF
32
D-Pipe High(Inv.)
3times
◑
2times
◑
OFF
40
CT Sensor(Open/Short)
4times
◑
0
OFF
41
Inv. D-Pipe Th Error(Open/Short)
4times
◑
1time
◑
OFF
43
High Pressure Sensor(Open/Short)
4times
◑
3times
◑
OFF
44
Outdoor air Th Error(Open/Short)
4times
◑
4times
◑
OFF
45
Cond. Middle Pipe Th Error(Open/Short)
4times
◑
5times
◑
OFF
46
Suction Pipe Th Error(Open/Short)
4times
◑
6times
◑
OFF
48
Cond. Out-Pipe Th Error(Open/Short)
4times
◑
8time
◑
OFF
51
Capacity over
5times
◑
1times
◑
OFF
53
Communication Error(Indoor
÷
Outdoor)
5times
◑
3times
◑
OFF
60
EEPROM Error(Outdoor)
6times
◑
0
OFF
61
Cond. Middle Pipe High
6times
◑
1times
◑
OFF
62
Heatsink Error(High)
6times
◑
2times
◑
OFF
65
Heatsink Th Error(Open/Short)
6times
◑
5times
◑
OFF
67
BLDC motor fan lock(Outdoor)
6times
◑
7times
◑
OFF
If abnormal voltage is supplied, the protection circuits will turn off the product in order to prevent
the component damage. The product will automatically restart after 3 minutes.
23
SELF-DIAGNOSIS FUNCTION
ENGLISH