Self-Diagnosis Function; Error Indicator (Indoor) - LG AUUQ18GH1 Svc Manual

Part 4 Trouble Shooting

1. Self-diagnosis Function

1.1 Error Indicator (Indoor)

Ceiling Cassette Type Display
The number of times to blink = Error code
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
09 EEPROM Check Sum Error
10 Indoor BLDC Fan Lock
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Only for training and service purposes
10 degrees 1 degrees
Description
Indoor Status
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
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LGE Internal Use Only