E17Serious
Bosch Washer E17 Error Code
Heater relay on control board malfunction; may not heat or overheat.
Common causes
- Faulty relay on main board
- Short circuit in heater circuit
How to fix it
- Unplug washer
- Inspect wiring for damage
- No DIY fix for board; call pro
⚠ When to call a pro: Always call a technician for board-level repairs
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Always unplug the appliance (and turn off the water for washers/dishwashers) before inspecting. These guides are for information only and are not a substitute for a professional repair.