If your Bosch dishwasher is showing the E05 error code, it points to a Power Module Error. More specifically, it often indicates that the triac for the water switch motor is defective.
What Does the Bosch Dishwasher E05 Error Code Mean?
The E05 code usually signals a failure in the power module, which controls the electronic components of your dishwasher. When the module or triac fails, the water switch motor cannot function properly, leading to performance issues or a complete breakdown.
Possible Causes of the Bosch Dishwasher E05 Error Code
- Faulty power module
- Defective triac in the water switch motor circuit
- Electrical malfunction within the control board
How to Fix Bosch Dishwasher E05 Error Code
- Reset the Dishwasher – Power off the unit for a few minutes, then restart. Sometimes the error clears if it’s a temporary glitch.
- Inspect Wiring Connections – Loose or damaged wiring can trigger the error.
- Check the Power Module – If the module is faulty, replacement may be required.
⚠️ Important: Repairing or replacing the power module involves electrical components. If you’re not experienced with appliance repair, it’s best to contact a qualified technician.
I am a master Appliance Repair technician with over 35 years of experience in the field. I am passionate about helping people troubleshoot their appliances and fix common problems. My website, appliancemode.com, provides a wealth of information on troubleshooting common appliance issues and deciphering error codes. This website aims to empower people to tackle appliance repairs themselves and save money on service calls.
