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 and  alternate

Fault light ,  and  alternate, buzzer sounds — Drain blocked or restricted

Miele · W1 Washing Machines

What does  and  alternate mean?

The fault indicator light  lights up,  and  appear alternately on the time display, and the buzzer sounds. This signifies that the drain system is blocked or restricted, preventing proper water drainage.

Common Causes

  • The drain hose has been fixed too high, exceeding the maximum recommended height.
  • The filter or the pump of the washing machine is blocked with lint, debris, or foreign objects.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Clean the filter and the pump of the washing machine according to the instructions in your manual.

  2. 2

    Check the drain hose to ensure it is not kinked or obstructed along its length.

  3. 3

    Verify that the drain hose is not fixed higher than the maximum recommended drain height of 39 ⅜ inches (1 meter).

Browse all codes in this manual (28)
Verified technical data. Last updated: April 2026

Related Faults

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Source: Miele W1 Washing Machines
Open Manual (Page 43)Search more codes in this manual