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Waterproof system

Display shows "Waterproof system" — Water protection system activated

Miele · W1 Washing Machines

What does Waterproof system mean?

This message indicates that the washing machine's internal water protection system has detected an issue, likely a leak or overflow. The system has reacted to prevent water damage.

Common Causes

  • The internal water protection system has detected a fault, possibly a leak.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Immediately close the stopcock (water tap) that supplies water to the washing machine.

  2. 2

    Disconnect the washing machine from the mains electricity supply, either by switching it off at the wall socket and withdrawing the plug, or by disconnecting it at the circuit breaker.

  3. 3

    Contact Miele customer service as this issue requires professional attention.

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