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Bosch
Oven
Data independently verified by Elite B2B Technicians
Diagnostic Complet

Error Code Er 1 Bosch

Symptom / Description

Temperature sensor interruption detected, oven does not heat, fans turn on.

Root Cause

Interruption of the temperature sensor PT500 (e.g., unplugged or cable break).

Repair Instructions

UNLOCKED

Check and reconnect the temperature sensor, or replace if broken. The error clears automatically after at least two correct temperature measurements.

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