U400

Incorrect Mains Connection / Voltage

Description

The supply voltage is far higher than expected, usually because the hob is wired incorrectly (line crossed with neutral) or the mains voltage is too high.

Appliance Error Codes Details

Error Code
U400
Error Name
Incorrect Mains Connection / Voltage
Appliance Type
cooktop
Brand
Bosch
Severity
high

Additional Troubleshooting

1. Disconnect the hob from the mains. 2. Have an electrician check the connection against the installation manual. 3. Make sure line and neutral wires are in the correct terminals. 4. If wiring is correct, ask the electricity provider to check the supply voltage.

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Verified by: Pavel Volkov
Created:
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International standards for electrical appliances and error codes

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