Bosch dishwasher Error Code E01

What does E01 mean?

Heating relay on control board has failed.

Common causes

• Failed control board
• Heater relay stuck
• Power surge

Diagnostic & testing steps

1. 1. Cycle power at breaker
2. 2. If error persists, replace main control board

Tools required

• Phillips screwdriver

OEM parts & part numbers

Main Control Board

Part numbers: 00655487, 12029370

Safety warning

⚠️ Disconnect power before servicing