What to check, in order
- Disconnect the power
Switch off and unplug the dishwasher.
- Take the filters out
Twist and lift the filter assembly out of the bottom of the tub.
- Wash them
Under running water with mild soap and a soft brush. Don't use abrasive cleaners.
- Refit them
Make sure they lock back into place.
When to call an engineer
Only if it keeps happening after a thorough clean.
Parts people end up buying
Only if the checks above point to a part. Match it to your model number first: it's on a label on the edge of the door or the side of the tub.
- Dishwasher cleanerSearch on Amazon
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Quick answers
What does the Bosch E22 error code mean?
The filters at the bottom of the tub are clogged, so water can't circulate and drain properly.
Can I fix Bosch E22 myself?
Very easy (about 10 minutes). Start with: disconnect the power; take the filters out; wash them. Only if it keeps happening after a thorough clean.
Is Bosch E22 worth repairing?
Usually free. Free. It's maintenance, not a repair.
Checked against
Last reviewed October 2026. Manufacturers update their pages, and your manual is the final word. Spotted a mistake? Email contact@appliance-error-codes.com.