21
SELF-DIAGNOSIS FUNCTION
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.
Error code
LED (Red) LED (Red)
Indoor
status
21
DC Peak (IPM Fault)
2times
◑
1times
◑
OFF
22
Max. CT (CT2)
2times
◑
2times
◑
OFF
23
DC Link low volt.
2times
◑
3times
◑
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
35
Low pressure error
3times
◑
5times
◑
OFF
38
Refrigerant leakage detect error
3times
◑
8times
◑
Restart after
3 minutes
40
CT sensor error (open/short)
4times
◑
0
41
Inv. D-Pipe sensor error (open/short)
4times
◑
1times
◑
OFF
43
Pressure sensor (open/short)
4times
◑
3times
◑
OFF
44
Outdoor air sensor error (open/short)
4times
◑
4times
◑
OFF
45
Cond. Middle pipe sensor error
4times
◑
5times
◑
OFF
51
Capacity over
5times
◑
1times
◑
OFF
53
Communication error (indoor - outdoor)
5times
◑
3times
◑
OFF
60
EEPROM error (outdoor)
6times
◑
0
61
Cond. Middle pipe high
6times
◑
1times
◑
OFF
62
Heatsink error
6times
◑
2times
◑
OFF
65
Heatsink sensor error (open/short)
6times
◑
5times
◑
OFF
67
BLDC motor fan lock (outdoor)
6times
◑
7times
◑
OFF
Description
OFF
OFF
ENGLISH