CodeRegistry
Brands
  1. Home
  2. Bosch
  3. Washing Machines
  4. Odours have formed in the appliance
About·Privacy·Terms

CodeRegistry — Your global library for technical solutions.

For your safety: always follow the equipment manufacturer’s official manuals. CodeRegistry is an independent help site and is not affiliated with the brands listed here.

Odours have formed in the appliance

Odours in appliance — Humidity and detergent residue

Bosch · Washing Machines

What does Odours have formed in the appliance mean?

Unpleasant smells are present inside the washing machine, often caused by the accumulation of humidity and detergent residue which can promote bacterial growth.

Common Causes

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

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Clean the drum regularly using the recommended cleaning cycle or a suitable washing machine cleaner (refer to Page 32).

  2. 2

    After each use, leave the door and detergent drawer open so that residual water can evaporate.

  3. 3

    Ensure to clean the detergent drawer and drain pump periodically to remove 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 startedAppliance odoursUnpleasant odours in the appliance - Bacterial growth
Source: Bosch Washing Machines
Open Manual (Page 44)Search more codes in this manual