LG Electronics HB8004RB4, L8004RY4, HB8004RA4, M1004R, M8004RY4, HB1004R Compressor does not operate

Troubleshooting Guide

Possible Trouble 2

The compressor does not operate.

	Is setting			NO
						• Select the setting Temp. to lower Number.
Temp. set lower than Room
	Temp.-0.5°C?
		YES
	Is the voltage No.10		NO		Is the voltage N0.9 of		NO	Does the Unit delay		NO
	of IC01M 0V?				IC01M DC 12V?			for 3 minutes?
		YES				YES			YES
	• Check the RY-COMP.				• Replace IC01M.			• Wait 3 Minutes.
	• Check the wiring
	Diagram.
								• Replace MAIN
								PCB Ass'y.

Possible Trouble 3

The compressor always operate.

Is the wire connection of	NO
RY-COMP OK?

YES

• Check the RY-COMP.

•Connect LEAD Wire to RY-COMP again.

Service Manual 27