LG ARTCOOL Series Service Manual page 36

6.1 Error indicator of air conditioner
• Indoor : Operating LED or 88 Segment,
ex) "C1" Error code 1, C2 Error code 2, "CA" Error code 10,
"CC" Error code 12, CD Error code 13
• Outdoor : LED01M(Red) on the outdoor PCB
6.2 Cancellation of Error indicator
1) Error Code 1, 2, 3, 4, 10 : Error code disappear when normal conditions are restored.
2) Error Code 5, 8, 9, 12, 13, 14 : Keep displaying Error code although normal conditions are restored but error code
3) Error Code 6, 7 : Error code disappears when power reset (Power Cord Off & On)
CAUTION
Precaution in Service or Check
Even after stopping the operation of product, it takes some time to discharge the remaining electricity of the electrolyt-
ic capacitor that was charged early.
Before conducting a checking or repairing job, pull out the plug out of the outlet and make sure that the lamp on the
control board outdoor unit is off.
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Only for training and service purposes
disappears on restarting the unit.
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Part 4 Trouble Shooting Guide
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