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HEAT PUMP
SYSTEM COOLS WHEN
HEATING IS DESIRED.
Is Line Voltage
Present at the
Solenoid Valve?
Is the Selector Switch
Set for Heat?
NO
YES
Is the Solenoid Coil Good?
Replace the Solenoid Coil
NO
YES
Reversing Valve Stuck
Replace the Reversing Valve
ELECTRICAL TROUBLESHOOTING CHART - HEAT PUMP
ELECTRIC SHOCK HAZARD
WARNING
Turn off electric power before service or
installation.
Extreme care must be used, if it becomes
necessary to work on equipment with power
applied.
Failure to do so could result in serious injury
or death.
Certain unit components operate at
temperatures hot enough to cause burns.
Proper safety procedures must be followed,
and proper protective clothing must be
worn.
Failure to do so could result in minor to
moderate injury.
CAUTION
BURN HAZARD
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