Bosch Dishwasher E01 code: Heat pump motor circuit fault
The main control board found a fault in the circuit that runs the heat pump (the circulation pump with its built-in heater).
Most common causes
- Control board fault
- Heat pump motor or wiring problem
What you can safely check yourself
- Turn off the dishwasher's breaker for 30 seconds, then restore power.
Unplug the appliance before moving or cleaning anything. Do not open panels, touch gas connections or bypass safety switches.
Checked against: bosch-home.com · pcrichard.encompass.com. Meanings can vary by model; check your owner’s manual.