LG RAD-183A Service Manual page 30

Troubleshooting Guide
Possible Trouble 2
Is setting
Temp. set lower than Room
Temp.-0.5 C?
YES
Is the voltage No.10
of IC01M 0V?
YES
• Check the RY-COMP.
• Check the wiring
Diagram.
Possible Trouble 3
Is the wire connection of
RY-COMP all right?
YES
• Check the RY-COMP.
29 Room Air Conditioner
The compressor does not operate.
NO
NO
Is the voltage N0.7 of
• Exchange IC01M.
The compressor always operate.
NO
• Select the setting Temp. to lower Number.
IC01M DC 5V?
YES
NO
Is the Unit for 3 minutes
delay?
YES
• Wait 3 Minutes.
• Exchange MAIN
PCB Ass'y.
• Connect LEAD Wire to
RY-COMP again.
NO