Error code · Bosch
E:20-60 · Calcium buildup in heating element
The appliance has detected calcium buildup in the heating element. Descale the appliance to resolve this issue.
DishwasherCaution — Know When to StopFixLens verified
Safe first steps
- Purchase a suitable descaling agent specifically designed for dishwashers.
- Empty the dishwasher and remove any dishes or utensils.
- Follow the instructions on the descaling agent to add it to the dishwasher's detergent compartment.
- Run a complete wash cycle on the hottest setting to ensure the descaling agent works effectively.
When to stop
- If the error code persists after descaling, stop and call a professional to check for deeper issues with the heating element.
Likely cause
The appliance has detected calcium buildup in the heating element. Descale the appliance to resolve this issue.
Verification
Reviewed by: automated manual extraction
Verified against Bosch SMD6ZCX60G technical documentation
FixLens publishes its own structured technical logic verified against Bosch SMD6ZCX60G documentation · last verified April 21, 2026.
Official manufacturer support