E09
Error code
critical severity
Bosch
E09 Error: Heating element fault — No heating detected
Heating element fault — No heating detected
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Diagnostic Steps
- 1
Step 1
Check the heating element continuity with a multimeter
- 2
Step 2
Inspect the element for limescale buildup (common in hard water areas)
- 3
Step 3
Check the NTC sensor
- 4
Step 4
Check the main control board for signs of burning
- 5
Step 5
Replace the heating element if it shows no continuity
⚠️ Always disconnect your appliance from mains power before starting any repair. If in doubt, consult a qualified engineer.
Parts to Check in order of probability
Frequently Asked Questions
What does the E09 error mean on a Bosch dishwasher?↓
Heating element fault — No heating detected
Can I fix the E09 error myself?↓
Many E09 faults can be resolved by a competent DIYer. Always disconnect from mains power first. If unsure, consult a qualified engineer.