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Banging noises, rattling in the drain pump

Banging/rattling noises from drain pump — Foreign bodies

Bosch · Washing Machines

What does Banging noises, rattling in the drain pump mean?

Audible banging or rattling sounds coming from the drain pump indicate that foreign objects have entered the pump area.

Common Causes

  • Foreign bodies have got into the drain pump.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Clean the drain pump according to the instructions in the manual (Page 33).

  2. 2

    Carefully remove any foreign objects found in the pump.

  3. 3

    After cleaning, ensure the pump cover is securely reassembled.

Browse all codes in this manual (95)
Verified technical data. Last updated: April 2026

Related Faults

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Source: Bosch Washing Machines
Open Manual (Page 42)Search more codes in this manual