Error Indicator (Outdoor) - LG AMNW07GDBL1 Service Manual

Part 5. Trouble Shooting

1.3 Error Indicator (Outdoor)

Outdoor Error
Ex) Error 21 (DC Peack)
2 Times
LED01G
(RED)
1 Sec.
1 Time
LED02G
(GREEN)
2 Sec.
Error
Contents
Code
21 DC Link Peak (IPM Fault)
22 CT 2 (Max CT)
DC Link Low Volt.
23
DC Link High Volt.
25 Low Voltage/Over Voltage
26 DC Compressor Position Error
27 PSC/PFC Fault Error
29 COMP Over Current
32 D-Pipe High
35 Low Pressure Error
39 Communication Error
40 CT Sensor (Open/Short)
41 INV. D-Pipe Th Error
43 High Pressure Sensor Error
44 Outdoor Air Th Error
45 Cond. Mid-Pipe Th Error
46 Suction Pipe Th Error
48 Cond. Out-Pipe Th Error
51 Capacity Over
53 Signal Error (Indoor <-> Outdoor)
54 3-Phase Wrong wiring
60 EEPROM Check Sum Error
61 Cond. Pipe Th High
62 Heaksink Th High
65 Heaksink Th Error
67 Outdoor BLDC Fan Lock
73 PFC Fault Error(S/W)
Copyright ©2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
2 Times 2 Times
1 Sec. 1 Sec.
1 Time 1 Time
2 Sec.
LED01G/M
(Red)
2times ◑ 1times ◑ Over Rated Current
2times ◑ 2times ◑ Input Over Current
2times ◑ 3times ◑
2times ◑ 5times ◑ Abnormal AC Volt Input
2times ◑ 6times ◑ Compressor Starting Fall Error
2times ◑ 7times ◑ Over Inverter PCB input current
2times ◑ 9times ◑ Over Inverter Compressor Current
3times ◑ 2times ◑ D-Pipe Temp. High
3times ◑ 5times ◑ Excessive decrease of Low Pressure
3times ◑ 9times ◑ Communication Error Between PFC
4times ◑
4times ◑ 1times ◑ Open/Short
4times ◑ 3times ◑ Open/Short
4times ◑ 4times ◑ Open/Short
4times ◑ 5times ◑ Open/Short
4times ◑ 6times ◑ Open/Short
4times ◑ 8times ◑ Open/Short
5times ◑ 1times ◑ Over combination
5times ◑ 3times ◑ Communication Poorly
5times ◑ 4times ◑ 3-Phase Wrong Wring of Outdoor Unit
6times ◑
6times ◑ 1times ◑ Cond. Temp. High
6times ◑ 2times ◑ Heatsink Temp. High
6times ◑ 5times ◑ Open/Short
6times ◑ 7times ◑ Outdoor Fan is not operation
7times ◑ 3times ◑ Over Current of Outdoor Unit PFC
LED02G/M
(Green)
DC Link Volt is below 140Vdc
DC Link Volt is above 420Vdc
Micom and INV Micom
○
CT Circuit Malfunction
(Reverse Phase/Omission of Phase)
○
Check Sum Mismatching
◑ : A light on the display panel is blink.
- 40 -
case of Error
LGE Internal Use Only
Outdoor
Status
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off