LG ATUQ24GPLE7 Installation Manual page 22

SELF-DIAGNOSIS FUNCTION
22
Error code
21 DC Peak (IPM Fault)
22 Max. CT (CT2)
23 DC Link low volt.
26 DC Comp position error
27 PFC Fault error
29 Comp over current
32 D-Pipe high (Inv.)
35 Low pressure error
38 Refrigerant leakage detect error
40 CT sensor error (open/short)
41 Inv. D-Pipe sensor error (open/short)
43 Pressure sensor (open/short)
44 Outdoor air sensor error (open/short)
45 Cond. Middle pipe sensor error
51 Capacity over
53 Communication error (indoor - outdoor)
60 EEPROM error (outdoor)
61 Cond. Middle pipe high
62 Heatsink error
65 Heatsink sensor error (open/short)
67 BLDC motor fan lock (outdoor)
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.
Description
LED (Red) LED (Red)
LED 1 (Red) LED 2 (Green)
2times ◑ 1times ◑
2times ◑ 2times ◑
2times ◑ 3times ◑
2times ◑ 6times ◑
2times ◑ 7times ◑
2times ◑ 9times ◑
3times ◑ 2times ◑
3times ◑ 5times ◑
3times ◑ 8times ◑
4times ◑
0
4times ◑ 1times ◑
4times ◑ 3times ◑
4times ◑ 4times ◑
4times ◑ 5times ◑
5times ◑ 1times ◑
5times ◑ 3times ◑
6times ◑
0
6times ◑ 1times ◑
6times ◑ 2times ◑
6times ◑ 5times ◑
6times ◑ 7times ◑
Indoor
status
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
Restart after
3 minutes
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF