Bosch · Dishwasher · Heating Problem
Bosch Dishwasher Error E09
Bosch dishwasher error E09 usually indicates a heating-system fault. ECL records this code as “Heating Circuit”. Common causes on this page include Burnt element, but the exact cause can vary by model and appliance generation. Keep to the external checks and safety guidance below; do not remove covers or test internal or live components, and arrange professional diagnosis if the code persists.
Quick answer: Heating Circuit
Bosch dishwasher code E09 usually means Heating Circuit. Follow these four steps.
See what the code usually means and why it may have appeared.
Try only the simple checks listed on this page. Do not take the appliance apart.
Check the safety section before you keep using the appliance.
Use the next-step box to see whether to keep checking, find a part by model or get repair help.
What Bosch E09 means
Heater pump failed.
Common causes
- Burnt element
Safe checks you can make
- Requires engineer
When to stop and call an engineer
If standard user maintenance does not clear the error, or if you suspect an electrical component failure.
Your model may be different
Error-code meanings can vary by model, market and appliance generation. Confirm Bosch E09 against the instruction manual or support information for the exact model number before replacing parts or treating this page as a model-specific diagnosis.
Where this information comes from
Publisher: Error Code Lookup Editorial Team. This page is independent information written in our own words and reviewed with safety boundaries in mind.
Manufacturer information: Bosch UK User Manuals. Use the exact model number to verify model-specific wording and instructions.
Last reviewed: 2026-05-18
How Error Code Lookup researches and verifies pages · Report a correction or provide model-specific evidence
Frequently asked questions
What does E09 mean on a Bosch dishwasher?
Heater pump failed.
What usually causes Bosch error E09?
Common causes include Burnt element.
Can I safely fix E09 myself?
This fault may require professional diagnosis or repair. Only basic external safety checks should be attempted.
When should I call a professional for E09?
If standard user maintenance does not clear the error, or if you suspect an electrical component failure.
Related Bosch dishwasher codes
Browse all Bosch dishwasher error codes · Browse all dishwasher error codes · Troubleshooting guides
