Bosch dishwasher E22: filter blocked
Bosch identifies E22 as a blocked dishwasher filter and directs owners to remove, clean, and reinstall the filter before support/service.
What this guide covers
Error codes: E22, E-22
This guide follows a structured decision tree built from manufacturer troubleshooting information. It does not assume that the most commonly replaced part is the failed part, and it does not show an exact-fit replacement part unless model compatibility has been independently verified.
Continue this exact diagnostic
Safe troubleshooting sequence
Start with the observations and external checks that can be verified without opening energized assemblies. The interactive version asks these in order and changes the path based on your answers.
- Check the owner-accessible filterFood soil can block the filter and trigger E22.
What the answers can lead to
Clean and reinstall the dishwasher filter
The visible filter condition matches Bosch’s E22 guidance.
Evidence strength: Strong
Clean the filter even if the blockage is not obvious
Bosch’s E22 owner action is filter cleaning before escalation.
Evidence strength: Strong
E22 persists after the filter is clean and installed correctly
The owner-level E22 action has been exhausted.
Evidence strength: Strong
When professional diagnosis is the safer next step
The owner-level E22 action has been exhausted.
Appliance Verdict stops before energized electrical testing, gas-system work, sealed-system work, and other checks that can create unnecessary risk. A technician can use the model, issue, and completed checks from the interactive diagnostic as a starting point.
Repair or replace?
A diagnosis and a repair decision are different questions. Once you have a real repair quote, compare the total repair cost with the all-in price of a comparable replacement. Warranty or protection-plan coverage, appliance age, reliability history, efficiency, and likely future repairs can all matter. Appliance Verdict’s interactive result includes a transparent cost comparison rather than a black-box replacement recommendation.
Manufacturer sources
Dataset reviewed through 2026-09-11. Appliance Verdict is independent and is not endorsed by the manufacturers cited. Always follow the exact owner or service documentation for your model.
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