Diagnostic overview for error E22
Use the sequence meaning → symptoms → accessible checks → stop conditions. For E22, the current manufacturer-sourced summary is: Bosch states that E22 means the filter at the bottom of the dishwasher is blocked and needs cleaning according to the owner manual.
Safe sequence
- 1Disconnect power before reaching into the sump.
- 2Remove and clean the filter exactly as shown in the model manual.
- 3Reinstall the filter securely and run a rinse test.
Stop and get qualified help when
- Broken glass or sharp debris is present
- E22 returns with a clean, correctly fitted filter