What does E09 mean?
The heating circuit is not working.
Common causes
- Heat pump / heater failure
- Wiring
What you can safely check
- Power-cycle the dishwasher
- Schedule service
Safety first. Unplug the appliance (and shut off gas or water where relevant) before inspecting it. Codes and procedures vary by model — check your owner’s manual.
When to call a technician
If the code comes back after these checks, or you see leaks, burning smells or tripped breakers, stop using the dishwasher and schedule a technician. Our team repairs Bosch dishwashers every week.
Frequently Asked Questions
What does Bosch dishwasher error code E09 mean?
The heating circuit is not working.
How do I fix Bosch code E09?
Power-cycle the dishwasher. Schedule service.
When should I call a technician?
If the code comes back after these checks, or you see leaks, burning smells or tripped breakers, stop using the dishwasher and schedule a technician. Our team repairs Bosch dishwashers every week.
Other Bosch dishwasher codes
E15Water in the base (leak protection)E22Filter cloggedE24Drain hose blocked or kinkedE25Drain pump blocked
Updated Oct 29, 2026