LG Single A Svc Manual page 59

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.
Outdoor Error
Error Code
21 DC Peak (IPM Fault)
22 CT 2(Max CT)
23 DC Link Low Volt.
24 L_P/Heater Sink
25 Low voltage / Over voltage
26 DC Comp Position Error
27 PFC/PSC Fault Error
28 DC Link High Volt
29 COMP Over Current
32 D-Pipe High (INV)
33 D-Pipe High (Normal)
39 Communication Error
40 CT Sensor (Open/Short)
41 INV. D-PipeTh Error(Open/Short)
44 Outdoor air Th Error(Open/Short)
45 Cond. Pipe Th Error(Open/Short)
46 Suction Pipe Error(Open/Short)
47 Const D-pipe Th Error(Open/Short)
51 Capacity over
Signal Error (DSP Board ↔ Main Board)
52
Signal error (Indoor ↔ Outdoor)
53
60 EEPROM Check Sum Error
61 Cond. Pipe High
62 Heatsink High
63 Cond. Pipe Low
65 Heatsoml Th error (Open/Short)
67 BLDC motor fan lock (outdoor)
73 PFC Fault Error (S/W)
CAUTION
Precaution in Service or Check
Even after stopping the operation of product, it takes some time to discharge the remaining electricity of the electrolytic
capacitor that was charged early.
Before conducting a checking or repairing job, pull out the plug out of the outlet and make sure that the lamp on the
control board outdoor unit is off.
Copyright ©2009 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.
Description
- 58 -
LED 1
INV TPS
(Red)
2times
2times
2times
2times
2times
2times
2times
2times
- 2times
3times
3times
- 3times
4times
4times
4times
4times
4times
4times
5times
5times
5times
6times
6times
6times
6times
6times
6times
- 7times
LED 2 Indoor
(Green) Status
1time OFF
2times OFF
3times OFF
4times OFF
5times OFF
6times OFF
7times OFF
8times OFF
9times OFF
2times OFF
3times OFF
9times OFF
O OFF
1time OFF
4times OFF
5times OFF
6times OFF
7times OFF
1time OFF
2time OFF
3times OFF
O OFF
1time OFF
2times OFF
3times OFF
5times OFF
7times OFF
3times OFF
LGE Internal Use Only