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Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Is setting
Temp. set lower than Room
Temp.-0.5
°
C?
Is the voltage No.10
of IC01M 0V?
• Exchange IC01M.
• Select the setting Temp. to lower Number.
• Wait 3 Minutes.
Is the Unit for 3 minutes
delay?
• Exchange MAIN
PCB Ass'y.
Is the voltage N0.7 of
IC01M DC 5V?
• Check the RY-COMP.
• Check the wiring
Diagram.
NO
NO
NO
YES
YES
YES
YES
Is the wire connection of
RY-COMP all right?
• Check the RY-COMP.
• Connect LEAD Wire to
RY-COMP again.
NO
YES
NO
• Exchange IC01M.
• Exchange IC01M.
Is the voltage NO.1 or 2 or 4
of IC01M DC 5V?
Is the voltage NO.13 or 15 or 16
of IC01M 0V?
• Check the RY-Hi or
RY-Mid or RY-Lo.
• Check the wiring diagram.
NO
NO
YES
YES
Possible Trouble 2
The compressor does not operate.
Possible Trouble 3
The compressor always operate.
Possible Trouble 4
FAN does not operate.
