E27
Gaggenau
Mains Voltage Out of Range
Dishwasher shows E27, often during power fluctuations or in regions with unstable mains voltage.
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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
Low or high supply voltage, loose connection at terminal block, undersized wiring, power grid issues
How to Fix / Troubleshooting
Safety: Only qualified persons should measure live voltage.
Steps:
- Check household voltage: Use a multimeter to verify that mains voltage is within the range specified on the dishwasher rating plate.
- Inspect terminal block: With power off, remove the toe-kick and check the connection box. Tighten any loose screws and ensure no signs of overheating.
- Use a dedicated circuit: Ensure the dishwasher is on its own circuit with appropriate breaker size.
- Consult electrician: If voltage is unstable, have a licensed electrician correct the supply issues.
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Repair Difficulty
Medium
3/5
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