Bosch Dishwasher Error E15: What It Means and How to Fix It
Short answer
E15 on a Bosch dishwasher means: the safety switch detected water in the base of the dishwasher; the leakage protection system has been activated. First step: Shut off the water supply to the dishwasher.
Leakage protection (AquaStop) triggered
How to fix it
- 1Shut off the water supply to the dishwasher.
- 2Switch the appliance off with the ON/OFF button.
- 3Contact Bosch customer service or book a repair.
Safety
- Do not unplug the appliance – AquaStop cannot work without power, and the AquaStop warranty lapses if the appliance is de-energised.
- Do not attempt to repair this error yourself, for health and safety reasons.
When to call a professional: Always – do not try to fix it yourself.
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 E15 mean?
The safety switch detected water in the base of the dishwasher; the leakage protection system has been activated.
How do I fix E15 on a Bosch dishwasher?
Shut off the water supply to the dishwasher. Switch the appliance off with the ON/OFF button. Contact Bosch customer service or book a repair.
When should I call a technician for E15?
Always – do not try to fix it yourself.