# F20 — Appliance fault and error codes

For F20, brand is Miele; appliance type is Washing Machine; meaning is Drain fault - pump or filter blockage, verified against its source on 2026-08-04.

- **Brand:** Miele
- **Appliance type:** Washing Machine
- **Error code:** F20
- **Meaning:** Drain fault - pump or filter blockage

## What the source says

> W1 and W Classic List Quick Answer Miele washing machines display error codes as F-numbers (F11, F20, F63, F138) or as text messages (Check water intake, Check drain, Waterproof system) depending on the model.

## Source

- https://errbase.com/miele/washer/miele-washer-error-codes

Last verified: 2026-08-04. Review by: 2027-08-04.
Part of [Appliance fault and error codes](https://referencesource.org/appliance-fault-error-codes/).