LG AMNH076LQL0 Service Manual page 14

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 IPM Fault (Compressor Over current)
22 CT 2(Max. Current)
23 DC Link Low Volt.
24 Low / High press
25 AC Low / AC High Volt.
26 DC Compressor Position
27 PSC Fault
28 DC Link High Volt
32 Discharge Pipe Temp. High (INV)
33 Discharge Pipe Temp. High (Cons.)
2 Times 2 Times
1 Sec. 1 Sec.
1 Time 1 Time
2 Sec.
LED01G
(Red)
2 times
2 times
2 times
2 times
2 times
2 times
2 times
2 times
3 times
3 times
LED02G
Case of error
(Green)
1 time Compressor malfunction,IPM Fault
2 times Current is 14A
3 times DC Link volt. Is 140V
4 times Low / High press switch OPEN
5 times Abnormal AC volt. Input.
6 times
7 times
8 times Off
2 times Off
3 times Off
Troubleshooting Guide
Outdoor
Status
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Service Manual 171