LG AUUQ54GH1 - Error Indicator (Outdoor)

Part 4 Trouble Shooting
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Copyright ©2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
1.2 Error Indicator (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.
Outdoor Error
Ex) Error 21 (DC Peack)
AUUQ36GH1
(ATUQ36GMLE3)
(AVUQ36GKLA0)
(ABUQ36GGLA0)
AUUQ18GH1 /AUUQ21GH1/ AUUQ24GH1
(ATUQ18GPLE3/ ATUQ21GPLE3/ ATUQ24GNLE3)
(AVUQ18GJLA0/ AVUQ21GJLA0 / AVUQ24GJLA0)
(ABUQ18GHLA0/ ABUQ21GHLA0/ ABUQ24GGLA0)
(ABUQ18GL2A0/ ABUQ21GL2A0/ ABUQ24GL3A0)
AUUQ42GH1/ AUUQ48GH1/ AUUQ54GH1
(ATUQ42GMLE3/ ATUQ48GMLE3/ ATUQ54GMLE3)
(AVUQ42GLLA0/ AVUQ48GLLA0/ AVUQ54GLLA0)
(ABUQ42GRLA0/ ABUQ48GRLA0/ ABUQ54GRLA0)
2times ◑ 1time ◑ OFF
2times ◑ 2times ◑ OFF
2times ◑ 3times ◑ OFF
2times ◑ 4times ◑ OFF
2times ◑ 6times ◑ OFF
2times ◑ 7times ◑ OFF
2times ◑ 9times ◑ OFF
3times ◑ 2times ◑ OFF
4times ◑ 0 OFF
4times ◑ 1time ◑ OFF
4times ◑ 3times ◑ OFF
4times ◑ 4times ◑ OFF
4times ◑ 5times ◑ OFF
5times ◑ 1times ◑ OFF
5times ◑ 3times ◑ OFF
6times ◑ 0 OFF
6times ◑ 1times ◑ OFF
6times ◑ 2times ◑ OFF
6times ◑ 5times ◑ OFF
6times ◑ 7times ◑ OFF
21 DC Peak(IPM Fault)
22 Max. CT(CT2)
23 DC Link Low Volt.
24 Pressure switch/Heater Sink.
26 DC Comp Position Error
27 PFC Fault Error
29 Comp Over Current
32 D-Pipe High(Inv.)
40 CT Sensor(Open/Short)
41 Inv. D-Pipe Th Error(Open/Short)
43 High Pressure Sensor(Open/Short)
44 Outdoor air Th Error(Open/Short)
45 Cond. Middle Pipe Th Error(Open/Short)
51 Capacity over
53 Communication Error(Indoor ÷ Outdoor)
60 EEPROM Error(Outdoor)
61 Cond. Middle Pipe High
62 Heatsink Error(High)
65 Heatsink Th Error(Open/Short)
67 BLDC motor fan lock(Outdoor)
Error Code
Description
LED 1
(Red)
LED 2
(Green)
Indoor
status
1 Time 1 Time 1 Time
2 Times2 Times2 Times
1 Sec.
2 Sec. 2 Sec.
1 Sec. 1 Sec.
LED01G
(RED)
LED02G
(GREEN)