Friedrich CP12E10, CP10E10 manual Compressor does not operate

Troubleshooting Guide

Possible Trouble 2

• The compressor does not operate.

Is Temp.		NO
setting set lower than Room
Temp.-0.5°C?
	YES

• Set the Temp. setting to lower Temp.

Is the voltage No.10	NO
of IC01M 0V?

YES

•Check the RY-COMP.

•Check the wiring Diagram.

Is the voltage N0.7 of	NO
IC01M DC 5V?

YES

• Exchange IC01M.

Is the Unit for 3 minutes		NO
delay?
	YES
• Wait 3 Minutes
• Exchange MAIN
P.W.B Ass'y.

Possible Trouble 3 • The compressor always operate.

Is the wire connection of

RY-COMP all right?

YES

• Check the RY-COMP.

Possible Trouble 4

NO

• Fan does not operate.

•Connect LEAD Wire to RY-COMP again.

Is the voltage NO.1 or 4		NO
of IC01M DC 5V?
	YES
Is the voltage NO.13 or 16		NO
of IC01M 0V?

YES

•Check the RY-Hi or RY-Lo.

•Check the wiring diagram.

• Exchange IC01M.

• Exchange IC01M.

23Room Air Conditioner