GE
Heat Pump Heating Failure
GE air conditioner in HEAT mode (heat pump) blows cool air
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Safety Warning
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.
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Possible Causes
Reversing valve not shifting, Outdoor coil heavily iced, Low refrigerant charge, Faulty heat mode sensor or control board
How to Fix / Troubleshooting
Safety: Unplug the unit before removing covers. Heat pump systems contain high-pressure refrigerant.
Steps:
- Verify mode: Ensure the unit is actually in HEAT mode, not COOL or FAN.
- Outdoor coil: Inspect for heavy frost or ice. If iced, allow the unit to defrost and ensure airflow is not blocked.
- Listen for reversing valve: When switching between HEAT and COOL, you may hear a brief whooshing sound. If not, the reversing valve coil may be faulty.
- Check coil: A technician can test the reversing valve solenoid coil and replace it if open.
- Professional service: If the valve operates but heating is still poor, a technician should check refrigerant charge and system pressures.
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Repair Difficulty
Professional Required
5/5
Required Part
Reversing Valve Coil
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