Friedrich Heat Pump Mode Failure

Unit blows cold air in HEAT mode (heat pump models)

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Stuck or failed reversing valve, faulty reversing valve coil, outdoor unit not running, defrost control issue

Safety: Turn OFF power before accessing outdoor components.

Steps:

Check mode: Confirm the unit is set to HEAT and the setpoint is above room temperature.
Outdoor operation: Verify that the outdoor fan and compressor run in HEAT mode. If not, there may be a control or power issue.
Reversing valve coil: A technician should test the reversing valve coil for proper resistance and voltage when HEAT is selected.
Valve replacement: If the valve is stuck or leaking internally, it must be replaced by a licensed HVAC technician.

Professional Required 5/5

Reversing Valve Coil

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