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Error F20 Degraded UK market

Miele Washing Machine Error Code F20

F20 on a Miele washing machine usually means: A heating malfunction was detected. On a Miele Washing Machine, code F20 points to the heating element.

Fix it fast: Reset and retry. Full ranked steps below.

Likely part
heating element
Fault type
heating
Verified listing Updated Oct 17, 2026 View source

How to fix F20 — ranked steps

Try these in order. Stop when the code clears.

  1. 1 Reset and retry

    Easy
    • Disconnect from the mains for at least two minutes, reconnect, and rerun the programme.
    Source

  2. 2 Service the heating circuit

    Pro only
    • If heating still fails, have the element, NTC sensors, and Thermostop control checked and any faulty component replaced.
    Source

Other Miele Washing Machine codes

F10Stops machine

A water intake fault was detected. On a Miele Washing Machine, code F10 points to the water inlet valve.

F11Stops machine

The machine is having difficulty draining. On a Miele Washing Machine, code F11 points to the drain pump.

F34Stops machine

The door is failing to lock. On a Miele Washing Machine, code F34 points to the door latch.

F53Degraded

A speed sensor (tachometer) fault was detected. On a Miele Washing Machine, code F53 points to the tachometer.

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