e01
Call a Pro
Bosch · Dishwashers
Power module / control board failure (pump control circuit)
Quick Answer
Error code E01 on your Bosch Dishwashers means: Power module / control board failure (pump control circuit). This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
  1. Pump control circuit failure on the main control board
  2. Faulty control board relay
  3. Lack of water preventing the heater from running
  4. Wiring or connection issue to the control board
How to Fix It
1
Turn off the dishwasher and unplug it for 30 seconds, then restart.
2
If the error persists, the main control board likely needs inspection.
3
A technician should test the pump control circuit and relays on the control board.
4
Replacement power modules are locked by Bosch and require a certified technician to program.
Pro Tip
This issue typically requires professional diagnosis. Attempting this fix without proper training could cause further problems.
Parts You May Need
Main control board
Related Error Codes
Video Guides
Loading video guides…
Search more on YouTube →