E27
Grundig
Mains Voltage / Frequency Error
Washer-dryer shows E27; often associated with mains power issues.
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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
Supply voltage out of range, Unstable power source, Internal power supply fault on PCB, Loose mains connection block
How to Fix / Troubleshooting
Safety first: Ensure the appliance is unplugged before checking internal connections.
- Check mains supply: Verify that the wall outlet provides the correct voltage and frequency specified on the Grundig rating plate. Avoid using long extension leads.
- Inspect mains cable and terminal block: Remove the rear cover over the mains terminal block and ensure all screws are tight and there are no signs of overheating.
- Power reset: Unplug for 10 minutes, then reconnect directly to a known-good outlet.
- PCB power supply check: If E27 persists with a stable supply, the internal power supply on the main PCB may be faulty and require replacement by a technician.
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Repair Difficulty
Professional Required
5/5
Required Part
Main Control Board (PCB)
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