E15
Hewalex
Defrost Failure / Defrost Timeout
Unit displays E15 and stops; may occur during defrost or low ambient operation.
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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
Defective defrost sensor, Control board defrost logic fault, Poor airflow causing ineffective defrost, Ice buildup preventing proper heat exchange
How to Fix / Troubleshooting
Safety first: Disconnect power before removing panels or working near moving parts.
- Inspect for heavy icing: Check the evaporator coil for thick ice buildup. If present, turn off the unit and allow it to fully defrost naturally.
- Check airflow: Clean the coil and ensure the fan is operating correctly to improve defrost efficiency.
- Verify defrost sensor: Confirm that the defrost sensor is correctly attached to the coil and its wiring is intact.
- Restart and monitor: After defrosting and cleaning, restart the unit and observe a full cycle. If E15 recurs, the defrost control parameters or PCB may be faulty.
- Service intervention: A technician can access service mode to check sensor readings and adjust or replace the control board if necessary.
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Repair Difficulty
Hard
4/5
Required Part
Defrost Control Circuit
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