Quick answer
On Bosch / Siemens dishwashers, error code E09 means: Heating fault, water not heating. Stop the programme and fix the cause before using it again. If the code keeps returning, call a technician.
Can I keep using the machine?
Severity: Medium
Stop the programme and fix the cause before using it again. If the code keeps returning, call a technician.
Common causes
- Faulty heating element
- Faulty temperature sensor (NTC thermistor)
- Damaged wiring or a loose/corroded connector
How to fix it
- Unplug the machine for a few minutes, then switch it back on (reset)
- Have a technician test the heating element and temperature sensor
- If the code keeps coming back, contact an authorised service technician
Frequently asked questions
What does Bosch / Siemens error E09 mean?
On Bosch / Siemens dishwashers, error code E09 means: Heating fault, water not heating.
How do I fix Bosch / Siemens error E09?
Start with these steps: Unplug the machine for a few minutes, then switch it back on (reset); Have a technician test the heating element and temperature sensor; If the code keeps coming back, contact an authorised service technician.
Can I keep using the dishwasher with error E09?
Severity: Medium. Stop the programme and fix the cause before using it again. If the code keeps returning, call a technician.
Bosch / Siemens dishwasher error codes
E15Water leak detected in the baseE24Water not drainingE22Filter cloggedE17Water not filling (water supply problem)E27Power supply voltage out of rangeE01Control system error