Bosch · Dishwasher
E20
Power reset onlyfault code
Bosch E20 means an internal heat-pump heater fault in the dishwasher.
Market, product family, and model applicability
US · en-US · Bosch dishwashers covered by the US error-code index covered by the cited official US support page
product family applicable: The official source applies at the product-family level. Exact controls can still vary by model.
Check the official model/manual lookup (opens in a new tab)What you can do now
Reset breaker power for 30 seconds.
- Reset dishwasher power at the breaker for 30 seconds.
Stop and get service when
Contact Bosch Customer Support if E20 is not resolved.
- Contact Bosch Customer Support if E20 is not resolved.
Do not do
Do not remove panels or test or replace heat-pump or heater components.
Use only the breaker reset and do not access the heat pump or heater.
If the message returns
If E20 remains after the breaker reset, contact Bosch Customer Support.
Source and scope
Official manufacturer source- Market and locale
- US · en-US
- Product family
- dishwashers covered by the US error-code index
- Official source last checked
- July 22, 2026
- Review status
- Automated evidence review completed · Owner-delegated approval
Bosch
Bosch Dishwasher Error Codes · Official error-code index
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