LG ABNH366GLAC, Service Manual

Page: 88 / 154

Troubleshooting Guide
88 Universal System Air Conditioner
■
Error Indicator (Outdoor)
Outdoor Error
Ex) Error 21 (DC Peack)
2 Times
1 sec
1 Times
2 sec
2 Times
1 sec
1Times
2 sec
2 Times
1 sec
1Times
LED01G
(RED)
LED02G
(GREEN)
2 Times
1 sec
2 Times
1 sec
2 Times LED03G
(Yellow)
LED02G
(Green)
LED01G
(Red)
Descriotion
Error
code
DC Peak (IPM Fault)
CT 2(Max CT)
DC Link Low Volt.
L/H press SW
Low voltage / Over voltage
-
Heatsink Th Error (Open/Short)
Outdoor BLDC Fan Lock
Comm. Error
(Main board <->Fan board)
21
22
23
24
25
-
65
67
105
Off
Off
Off
Off
Off
-
Off
Off
Off
Indoor
Status
2 times
2 times
2 times
2 times
2 times
-
6 times
6 times
10 times
1 time
2 times
3 times
4 times
5 times
-
5 times
7 times
5 times
LED03G
(Yellow)
Descriotion
Error
code
DC PEAK (IPM Fault)
DC Comp position Error
(No Position / Locking) Error
Comm. Error
(Main micon <-> Sub micom)
DC Link Low voltage Error
CT Sensor Open/Short Error
A/D Option Error
Comp over current Error
21
26
52
23
40
60
29
25 sec
25 sec
25 sec
25 sec
-
-
25 sec
Error Display
Time
1 times
2 times
3 times
5 times
6 times
7 times
8 times
Outdoor Error
Ex) Error 26(DC Comp position Error)