Answer Anthony V, Bosch dishwasher error code E01 usually refers to a failure of the main control board. The E01 cade usually refers to the pump control circuit of the main control board. On some models, this issue can cause a lack of water in the machine which triggers the heater to stop and throws the error code. 00705047 main control board Read More... Answered by AppliancePartsPros.com | Friday, January 12, 2024