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Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
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
Description
LED 1
(Red)
LED 2
(Green)
Indoor Status
00 No Error ON
01 Indoor Room themistor error 1time ◑ OFF
02 Indoor in-piping sensor error 2times ◑ OFF
03 Remote controller 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 Differnt mode operation 7times ◑ OFF
Outdoor Error
21 DC Peak (IPM Fault) 2times ◑ 1time ◑ Off
22 CT 2(Max CT) 2times ◑ 2times ◑ Off
23 DC Link Low Volt. 2times ◑ 3times ◑ Off
24 L_P/H_P Switch 2times ◑ 4times ◑ Off
25 Low Voltage/Over Voltage 2times ◑ 5times ◑ Off
26 DC Compressor Position Error 2times ◑ 6times ◑ Off
27 PSC/PFC Fault Error 2times ◑ 7times ◑ Off
28 DC Link High Volt 2times ◑ 8times ◑ Off
29 COMP Over Current 2times ◑ 9times ◑ Off
31 CT Error 3times ◑ 1time ◑ Off
32 D-Pipe High (INV) 3times ◑ 2times ◑ Off
33 D-Pipe High (Normal) 3times ◑ 3times ◑ Off
40 CT Sensor (Open / Short) 4times ◑ O Off
41 INV. D-PipeTh Error (Open/Short) 4times ◑ 1time ◑ Off
44 Outdoor Air Th Error (Open/Short) 4times ◑ 4times ◑ Off
45 Cond. Pipe Th Error (Open/Short) 4times ◑ 5times ◑ Off
46 Suction Pipe Error (Open/Short) 4times ◑ 6times ◑ Off
47 Const D-PipeTh Error (Open/Short) 4times ◑ 7times ◑ Off
51 Capacity Over 5times ◑ 1time ◑ Off
52 Signal Error(DSP Board <-> Main Board) 5times ◑ 2times ◑ Off
53 Signal Error (Indoor <-> Outdoor) 5times ◑ 3times ◑ Off
Error code
Description
LED 1
(Red)
LED 2
(Green)
Indoor Status
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