Bosch Dishwasher Error E22: What It Means and How to Fix It
Short answer
E22 on a Bosch dishwasher means: there are several possible causes; the first check is the filter. First step: Clean the filter under running water with mild soap and a soft brush; make sure it is seated correctly (most filters must click in).
Filter / drain blockage
How to fix it
- 1Clean the filter under running water with mild soap and a soft brush; make sure it is seated correctly (most filters must click in).
- 2Remove the drain pump cover and clear standing water and debris; seat the cover again until it clicks.
- 3Check the drain hose for kinks.
- 4Check the air gap and drain hose for clogs (clear into a bucket if needed), then run a rinse cycle.
- 5If the code persists, contact Bosch customer service.
Safety
- Switch the appliance off and unplug it before removing any cover or filter.
When to call a professional: If the code persists after the filter and drain checks.
Applies to: Bosch dishwashers
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Source
Based on Bosch's official error code information: Bosch US – Dishwasher Error Codes. Last checked 2026-10-28. Codes and their meaning can differ by model and region; check your appliance's manual.
Frequently asked questions
What does Bosch dishwasher error code E22 mean?
There are several possible causes; the first check is the filter.
How do I fix E22 on a Bosch dishwasher?
Clean the filter under running water with mild soap and a soft brush; make sure it is seated correctly (most filters must click in). Remove the drain pump cover and clear standing water and debris; seat the cover again until it clicks. Check the drain hose for kinks. Check the air gap and drain hose for clogs (clear into a bucket if needed), then run a rinse cycle. If the code persists, contact Bosch customer service.
When should I call a technician for E22?
If the code persists after the filter and drain checks.