Diagnostic decision tree for error E22
Confirm E22; verify Bosch and dishwasher; compare the observed symptom; complete accessible checks in order; stop and request service if the code persists or a stop condition appears.
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