Friedrich CP12E10, CP10E10 manual Compressor does not operate

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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

Image 23
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