LG Multi-Inverter Service Manual page 48

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 Peak (IPM Fault)
22 CT 2(Max CT)
23 DC Link Low Volt.
24 L_P/H_P Switch
25 Low Voltage/Over Voltage
26 DC Compressor Position Error
27 PSC/PFC Fault Error
28 DC Link High Volt
29 COMP Over Current
31 CT Error
32 D-Pipe High (INV)
33 D-Pipe High (Normal)
40 CT Sensor (Open / Short)
41 INV. D-Pipe Th Error
44 Outdoor Air Th Error
45 Cond. Pipe Th Error
46 Suction Pipe Error
47 Const D-Pipe Th Error
51 Capacity Over
52 Signal Error(DSP Board <-> Main Board)
53 Signal Error (Indoor <-> Outdoor)
60 EEPROM Check Sum Error
61 Cond. Pipe Th High
62 Heatsink Th High
63 Cond. Pipe Th Low
65 Heatsink Th Error
67 Outdoor BLDC Fan Lock
73 PFC Fault Error(S/W)
Copyright ©2007 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 LED02G/M
(Red)
2times ¢Å 1time ¢Å
2times ¢Å 2times ¢Å
2times ¢Å 3times ¢Å
2times ¢Å 4times ¢Å
2times ¢Å 5times ¢Å
2times ¢Å 6times ¢Å
2times ¢Å 7times ¢Å
2times ¢Å 8times ¢Å
2times ¢Å 9times ¢Å
3times ¢Å 1time ¢Å
3times ¢Å 2times ¢Å
3times ¢Å 3times ¢Å
4times ¢Å
4times ¢Å 1time ¢Å
4times ¢Å 4times ¢Å
4times ¢Å 5times ¢Å
4times ¢Å 6times ¢Å
4times ¢Å 7times ¢Å
5times ¢Å 1time ¢Å
5times ¢Å 2times ¢Å
5times ¢Å 3times ¢Å
6times ¢Å
6times ¢Å 1time ¢Å
6times ¢Å 2times ¢Å
6times ¢Å 3times ¢Å
6times ¢Å 5times ¢Å
6times ¢Å 7times ¢Å
7times ¢Å 3times ¢Å
- 47 -
Case of Error
(Green)
Over Rated Current
Input Over Current
DC Link Volt is below 140Vdc
Low/High Press Switch Open
Abnormal AC Volt Input
Compressor Starting Fall Error
Inverter PCB input current is over100A(peak) for 2us
Off
Over Inverter Compressor Current
Low Current
Off
Off
O CT Circuit Malfunction
Open/Short
Open/Short
Open/Short
Open/Short
Open/Short
Over combination
Communication Poorly
Communication Poorly
O Check Sum Mismatching
Cond. Temp. High
Heatsink Temp. High
Cond. Temp. Low
Open/Short
Outdoor Fan is not operating
Over Current of Outdoor Unit PFC
4. Trouble Shooting
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
Off
Off
LGE Internal Use Only