E27
Bosch
Mains Voltage Too Low
Dishwasher displays E27 and may not start or may reset intermittently.
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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
Undervoltage on supply line, Loose power connection, Shared circuit overloaded, Faulty house wiring
How to Fix / Troubleshooting
Safety first: Only qualified persons should test live voltage. Always turn off the breaker before opening junction boxes.
- Check outlet or junction box: Verify the dishwasher is on a dedicated circuit and that connections are tight.
- Measure voltage: Use a multimeter to check supply voltage at the dishwasher connection. Compare to Bosch specifications.
- Reduce load: Avoid running high-power appliances on the same circuit.
- Electrician assistance: If voltage is consistently low or fluctuating, contact a licensed electrician to correct the wiring or supply issue.
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Repair Difficulty
Hard
4/5
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