GE
Insufficient Heating Capacity / Heat Pump Underperformance
GE heat pump water heater runs constantly but water temperature is low.
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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
Ambient temperature too low for heat pump mode, dirty evaporator coil, low refrigerant charge, failed compressor
How to Fix / Troubleshooting
Safety: Turn off power before cleaning coils.
Steps to improve performance:
- Check ambient conditions: Verify the installation space meets GE’s minimum temperature for heat pump operation. In cold spaces, switch to hybrid or electric mode.
- Clean evaporator coil: Gently vacuum dust from the coil fins and clean the air filter (if equipped).
- Check mode settings: Ensure the control is not set to vacation or energy-saver mode that limits temperature.
- Professional service: If performance remains poor, a technician should check refrigerant charge and compressor operation.
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Repair Difficulty
Medium
3/5
Required Part
Evaporator Coil
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