Outdoor Unit Error - LG MFL62541004 Installation Manual

SELF-DIAGNOSIS FUNCTION
28

Outdoor Unit Error

Ex) Error 21 (DC Peak)
2 Times
LED01G
(RED)
1 Sec.
1 Time
LED02G
(GREEN)
2 Sec.
Error Code
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 PSC Fault Error
28 DC Link High Volt.
29 Comp Over Current
32 D-Pipe High(Inv.)
41 Inv. D-Pipe Th Error(Open/Short)
44 Outdoor air Th Error(Open/Short)
45 Cond. Middle Pipe Th Error(Open/Short)
46 Suction Pipe Th Error(Open/Short)
48 Cond. Out-Pipe Th Error(Open/Short)
51 Capacity over
53 Communication Error(Indoor÷Outdoor)
60 EEPROM Error(Outdoor)
61 (Cooling Mode) Outdoor Middle Pipe High
(Heating Mode) Indoor Middle Pipe High
62 Heatsink Error(High)
65 Heatsink Th Error(Open/Short)
67 BLDC motor fan lock(Outdoor)
73 PFC Fault Error(S/W)
* Repeatedly after LED1 is turned on and off as the Error code number of tens digit, LED2 is
turned on and off as the Error code number of single-digit.
2 Times 2 Times
1 Sec. 1 Sec.
1 Time 1 Time
2 Sec.
Description
LED 1 LED 2
(Red) (Green)
2times ◑ 1time ◑
2times ◑ 2times ◑
2times ◑ 3times ◑
2times ◑ 4times ◑
2times ◑ 6times ◑
2times ◑ 7times ◑
2times ◑ 8times ◑
2times ◑ 9times ◑
3times ◑ 2times ◑
4times ◑ 1time ◑
4times ◑ 4times ◑
4times ◑ 5times ◑
4times ◑ 6times ◑
4times ◑ 8times ◑
5times ◑ 1time ◑
5times ◑ 3times ◑
6times ◑
0
6times ◑ 1time ◑
6times ◑ 2times ◑
6times ◑ 5times ◑
6times ◑ 7times ◑
7times ◑ 3times ◑
Indoor
status
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF