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Gaggenau
Hob
Data independently verified by Elite B2B Technicians
Diagnostic Complet

Error Code U400 Gaggenau

Symptom / Description

Incorrect power supply connection

Root Cause

The hob has been incorrectly wired to the power supply (e.g., wrong voltage, missing phase).

Repair Instructions

UNLOCKED

This is a dangerous installation error. Immediately turn off the power at the breaker and have a qualified electrician correct the wiring.

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