Heat Controller RAD-183A 29Room Air Conditioner, Troubleshooting Guide, Possible Trouble

Troubleshooting Guide

Possible Trouble 2

The compressor does not operate.

Is settingNO

Temp. set lower than Room • Select the setting Temp. to lower Number. Temp.-0.5°C?

	YES
Is the voltage No.10		NO	Is the voltage N0.7 of		NO	Is the Unit for 3 minutes		NO
of IC01M 0V?			IC01M DC 5V?			delay?
	YES			YES			YES
• Check the RY-COMP.			• Exchange IC01M.			• Wait 3 Minutes.

•Check the wiring Diagram.

• Exchange MAIN

PCB Ass'y.

Possible Trouble 3

The compressor always operate.

Is the wire connection of	NO	• Connect LEAD Wire to
		RY-COMP again.
RY-COMP all right?

YES

• Check the RY-COMP.

29Room Air Conditioner