ELECTRICAL TROUBLESHOOTING CHART

HEAT PUMP

HEAT PUMP

SYSTEM COOLS WHEN

HEATING IS DESIRED.

Is Line Voltage

Present at

Solenoid Valve?

YES

NO

Is Selector Switch

set for Heat?

Is the Solenoid

Coil Good?

NO

Replace Solenoid Coil

YES

Reversing Valve Stuck

YES

Replace Reversing Valve

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Friedrich H)A09K25, V(E service manual Electrical Troubleshooting Chart Heat Pump