Bosch · Dishwasher · Source basis
Bosch dishwasher E20
heat pump
DISPLAYE20
The internal heater in the heat pump reports a fault.
The heating circuit involves mains voltage and hot water. Bosch provides only for a restart followed by service.
Switch the appliance off in a controlled way, safely disconnect power, wait at least 30 seconds and restart once. Contact manufacturer service if the code remains.
Error codes can differ by model and series. Also check the exact model number and the matching Bosch manual.
SOURCE CHECK
Meaning and actions are based on manufacturer guidance.
- Bosch HomeChecked 30.07.2026Open original