LG AMNH096VEA0 Service Manual page 194

Troubleshooting Guide
I 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.)
194 Multi type Air Conditioner
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
Outdoor
Status
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off