LG Electronics LW1800PR, HB1803R, LWP1830WAL, LWP1820PDL Possible Trouble FAN does not operate

Troubleshooting Guide

Possible Trouble 4 FAN does not operate.

Is the voltage NO.1 or 2 or 4

NO

of IC01M DC 5V?

YES

Is the voltage NO.16 or 15 or 13

of IC01M 0V?

YES

•Check the RY-Hi or RY-Med or RY-Lo.

•Check the wiring diagram.

NO

Possible Trouble 5 Remote controller does not operate.

Is the voltage of Battery		NO
over 2.3V?
	YES
Is the voltage No.10		NO
of CN-AC/DC on AC PCB
Ass'y DC 5V?
	YES
Is the connection of		NO
CN-AC/DC OK?

YES

• Replace Receiver Ass'y.

• Replace IC01M.

• Replace IC01M.

• Replace the battery.

• Check the PCB pattern.

•Connect connector to CN-AC/DC exactly.

Service Manual 37