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Drainage error

Display shows "Drainage See " — Water outlet issue

Miele · W1 Washing Machines

What does Drainage error mean?

The display shows a drainage error, meaning the water cannot be effectively removed from the Washing Machine. This often points to an obstruction in the drainage system or an incorrect setup of the drain hose.

Common Causes

  • The water outlet is blocked or restricted.
  • The drain filter or drain pump is clogged with debris.
  • The drain hose has been fixed too high, exceeding the maximum delivery head of 1 meter.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Clean the drain filter and the drain pump according to the instructions in your manual.

  2. 2

    Ensure the drain hose is not kinked or bent, which can restrict water flow.

  3. 3

    Check that the drain hose's maximum height is no more than 1 meter above the bottom of the machine.

  4. 4

    Restart the wash programme to see if the issue is resolved.

Browse all codes in this manual (50)
Verified technical data. Last updated: April 2026

Related Faults

Capsule liquidAt the end of the programme there is still liquid in the capsule — Blocked pipe or normal residueCheck dosageDisplay shows 'Check dosage' — Excessive foam has built up during washingControl field darkControl field remains dark — No power to the machine
Source: Miele W1 Washing Machines
Open Manual (Page 61)Search more codes in this manual