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

  1. Purchase a suitable descaling agent specifically designed for dishwashers.
  2. Empty the dishwasher and remove any dishes or utensils.
  3. Follow the instructions on the descaling agent to add it to the dishwasher's detergent compartment.
  4. 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.

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