Miele Washer — Error Code F20 (UK)

Q: How do I fix the F20 error on a Miele washer?

Try first: Reset and retry. Disconnect from the mains for at least two minutes, reconnect, and rerun the programme.

A heating malfunction was detected.

brand Miele appliance Washer market UK component heating element category heating severity degraded

ApplianceDB ranks 2 repairs for this code, led by “Reset and retry”. That top fix is an easy DIY job, involving the heating element. Severity is classified as degraded — the appliance keeps running but not correctly.

Ranked repair steps

1. Reset and retry

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

easy · basis: cost ascending

Remedy source: ApplianceCodeHub — Miele Washer F20 Guide (fix layer)

2. Service the heating circuit

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

professional only · basis: cost ascending

Remedy source: ApplianceCodeHub — Miele Washer F20 Guide (fix layer)

Provenance: facts re-derived from a disclosed repair reference — Domex UK — Miele Washing Machine Fault Codes. Meanings and steps are original paraphrase; nothing is reproduced verbatim.