LG Electronics General Wall Mounted-Inverter Type manual 18,24,30kBtu/h Model Indoor Error

Part 4 Trouble Shooting

■18,24,30kBtu/h Model Indoor Error

Error code	Descrition	INV TPS	LED1	LED2	Indoor
			(Red)	(Green)	Status
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)

2 Times2 Times2 Times

LED01G

(RED)

1 Sec.	1 Sec.	1 Sec.
1 Time	1 Time	1 Time

LED02G

(GREEN)

2 Sec. 2 Sec.

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

Service Manual 47