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Miele
Washing Machine
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Diagnostic Complet

Error Code F20 Miele

Symptom / Description

Heating Error

Root Cause

The machine failed to reach the target temperature. The heating element is broken or the heater relay on the board is faulty.

Repair Instructions

UNLOCKED

1. Gain access to the heating element (front or back panel depending on model).

2. Measure the heater with a multimeter (should be ~20-30 ohms).

3. If it measures 0 or infinity (OL), replace it.

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