LG General Wall Mounted-Inverter Type - Manual (Page 47)

Service Manual 47
Part 4 Trouble Shooting
■ 18,24,30kBtu/h Model
Indoor Error
00 No Error ON
01 Indoor Room themistor error 1time OFF
02 Indoor in-piping sensor error 2times OFF
03 Remote controler error 3times OFF
04 Drain Pump error 4times OFF
05 Communcation error between in and out 5times OFF
06 Indoor Out-Piping sensor error 6times OFF
07 Diffrent mode operation times OFF
Outdoor Error
Ex) Error Code 21 (IPM Fault)
1 Time 1 Time 1 Time
2 Times 2 Times 2 Times
1 Sec.
2 Sec. 2 Sec.
1 Sec. 1 Sec.
LED01G
(RED)
LED02G
(GREEN)
Case of error
LED02G
(Green)
LED01G
(Red)
Contents
Error
code
Compressor malfunction,IPM Fault
Current is 14A
DC Link volt. Is 140V
Low / High press switch OPEN
Abnormal AC volt. Input.
Off
Off
Off
IPM Fault (Compressor Over current)
CT 2(Max. Current)
DC Link Low Volt.
Low / High press
AC Low / AC High Volt.
DC Compressor Position
PSC Fault
DC Link High Volt
Discharge Pipe Temp. High (INV)
Discharge Pipe Temp. High (Cons.)
21
22
23
24
25
26
27
28
32
33
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Outdoor
Status
2 times
2 times
2 times
2 times
2 times
2 times
2 times
2 times
3 times
3 times
1 time
2 times
3 times
4 times
5 times
6 times
7 times
8 times
2 times
3 times
Error code Descrition INV TPS
LED1 LED2 Indoor
(Red) (Green) Status