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Appliance odours

Unpleasant odours in the appliance - Bacterial growth

Bosch · Washing Machines

What does Appliance odours mean?

You notice unpleasant odours emanating from inside the washing machine. This is typically due to humidity and detergent residue promoting the formation of bacteria and mold.

Common Causes

  • Humidity and detergent residue may promote the formation of bacteria.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Run a drum cleaning programme regularly (refer to Page 44).

  2. 2

    If you are not using the appliance, leave the door and the detergent drawer slightly open to allow residual water to evaporate and air to circulate.

  3. 3

    Use the recommended amount of detergent and avoid excessive softeners that can contribute to residue buildup.

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

Related Faults

All other error codesAny other error codes displayed - Appliance malfunctionAppliance not workingAppliance is not working - No power or programme not startedBanging noises, rattling in the drain pumpBanging/rattling noises from drain pump — Foreign bodies
Source: Bosch Washing Machines
Open Manual (Page 57)Search more codes in this manual