Bosch Dishwasher Error E9240: What It Means and How to Fix It
Short answer
E9240 on a Bosch dishwasher means: several possible causes; clean the filter as described for E22, then run the drain checks. First step: Clean the filter as for E22.
Filter / drain blockage
How to fix it
- 1Clean the filter as for E22.
- 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.
Applies to: Bosch dishwashers using the four-digit code series
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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 E9240 mean?
Several possible causes; clean the filter as described for E22, then run the drain checks.
How do I fix E9240 on a Bosch dishwasher?
Clean the filter as for E22. 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 E9240?
If the code persists.