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E20 — Heat Pump Internal Heater Fault
warning
A fault or error has been detected in the heat pump internal heater.
Common causes
- Heat pump internal heater malfunction
How to fix it
- Reset power at breaker for 30 seconds
- If unresolved, contact Bosch Customer Support
Parts you might need
- Heat pump internal heater
Compiled from Bosch's public support resources — original page. Recalled.co is not affiliated with Bosch. Report incorrect information at hello@recalled.co.