Friedrich CP08F10, CP06F10 manual Troubleshooting Guide, Room Air Conditioner

Troubleshooting Guide

Possible Trouble 2

• The compressor does not operate.

Is Temp.

setting set lower than Room NO 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

delay?

YES

• Wait 3 Minutes

•Exchange MAIN P.W.B Ass'y.

NO

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.

21 Room Air Conditioner