E15
Grundig
Low Voltage / Power Supply Fault
E15 error, sometimes with the compressor and fan not running at all even though the display is on.
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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 power supply section on main PCB, Loose mains connector, Damaged mains filter board, Brownout or unstable household voltage
How to Fix / Troubleshooting
Safety first: Unplug the freezer. Work on mains circuits only if you are qualified.
Basic checks:
- Verify outlet: Test the wall outlet with another appliance or a multimeter to ensure correct voltage.
- Check mains cord and plug: Inspect for damage or overheating.
- Inspect mains filter and PCB: Remove the rear panel and inspect the mains filter board (if separate) and main PCB for burnt components or loose connectors.
- Reseat connectors: Ensure the mains input connector is firmly attached to the PCB.
- Replace PCB: If the power supply section is visibly damaged or E15 persists, replace the main control PCB or mains filter module as per Grundig parts list.
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Repair Difficulty
Hard
4/5
Required Part
Main Control PCB / Mains Filter Board
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