LG Multi-Inverter Service Manual page 49

4. Trouble Shooting
1.3 Error Indicator
• The function is to self-diagnoisis airconditioner and express the troubles identifically if there is any trouble.
• Error mark is ON/OFF for the operation LED of evaporator body in the same manner as the following table.
• If more than two troubles occur simultaneously, primarily the highest trouble fo error code is expressed.
• After error occurrence, if error is released, error LED is also released simultaneously.
• To operate again on the occurrence of error code, be sure to turn off the power and then turn on.
• Having or not of error code is different from Model.
Indoor Error
Error code
00 No Error
01 Indoor Room themistor error
02 Indoor in-piping sensor error
03 Remote controller error
04 Drain Pump error
05 Communcation error between in and out
06 Indoor Out-Piping sensor error
07 Differnt mode operation
Outdoor Error
Error code
21 DC Peak (IPM Fault)
22 CT 2(Max CT)
23 DC Link Low Volt.
24 L_P/H_P Switch
25 Low Voltage/Over Voltage
26 DC Compressor Position Error
27 PSC/PFC Fault Error
28 DC Link High Volt
29 COMP Over Current
31 CT Error
32 D-Pipe High (INV)
33 D-Pipe High (Normal)
40 CT Sensor (Open / Short)
41 INV. D-PipeTh Error (Open/Short)
44 Outdoor Air Th Error (Open/Short)
45 Cond. Pipe Th Error (Open/Short)
46 Suction Pipe Error (Open/Short)
47 Const D-PipeTh Error (Open/Short)
51 Capacity Over
52 Signal Error(DSP Board <-> Main Board)
53 Signal Error (Indoor <-> Outdoor)
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Only for training and service purposes
Description
Description
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LED 1 LED 2
(Red) (Green)
1time ¢Å
2times ¢Å
3times ¢Å
4times ¢Å
5times ¢Å
6times ¢Å
7times ¢Å
LED 1 LED 2
(Red) (Green)
2times ¢Å 1time ¢Å
2times ¢Å 2times ¢Å
2times ¢Å 3times ¢Å
2times ¢Å 4times ¢Å
2times ¢Å 5times ¢Å
2times ¢Å 6times ¢Å
2times ¢Å 7times ¢Å
2times ¢Å 8times ¢Å
2times ¢Å 9times ¢Å
3times ¢Å 1time ¢Å
3times ¢Å 2times ¢Å
3times ¢Å 3times ¢Å
4times ¢Å O
4times ¢Å 1time ¢Å
4times ¢Å 4times ¢Å
4times ¢Å 5times ¢Å
4times ¢Å 6times ¢Å
4times ¢Å 7times ¢Å
5times ¢Å 1time ¢Å
5times ¢Å 2times ¢Å
5times ¢Å 3times ¢Å
Indoor Status
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
Indoor Status
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
LGE Internal Use Only