Electrical troubleshooting chart heat pump – Friedrich 9 User Manual

Page 44

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background image

ELECtRICaL tRoUBLESHootIng CHaRt

HEat PUmP

Replace Reversing Valve

NO

NO

YES

YES

Reversing Valve Stuck

YES

Replace Solenoid Coil

Is the Solenoid

Coil Good?

Is Line Voltage

Present at

Solenoid Valve?

Is Selector Switch

set for Heat?

SYSTEM COOLS WHEN

HEATING IS DESIRED.

HEAT PUMP MODE

42

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