Home · Error codes · Bosch · Dishwashers · E21
E21 — Heat Pump Blocked
warning
The heat pump is blocked and cannot operate normally.
Common causes
- Obstruction or blockage in heat pump
How to fix it
- Reset power at breaker for 30 seconds
- If unresolved, contact Bosch Customer Support
Parts you might need
- Heat pump
Compiled from Bosch's public support resources — original page. Recalled.co is not affiliated with Bosch. Report incorrect information at hello@recalled.co.