Bosch · Dishwasher
E01 Heating element fault
What this code means
The dishwasher isn't reaching proper wash temperature due to a heating circuit issue.
Most likely causes
- Failed heating element
- Blown thermal fuse in the heating circuit
- Faulty temperature sensor
What to try first
This is an internal electrical fault and isn't safely user-serviceable beyond a power-cycle reset.
Safety note: if this code returns after one clean reset, stop resetting it — repeated lockouts usually mean a real fault that needs a licensed technician. Never bypass a safety switch.
FAQ
What does Bosch error code E01 mean?
Heating element fault. The dishwasher isn't reaching proper wash temperature due to a heating circuit issue.
Can I fix Bosch code E01 myself?
Usually not. This is an internal electrical fault and isn't safely user-serviceable beyond a power-cycle reset. If the code returns after one reset, it needs a licensed technician.
What causes Bosch code E01?
The most common causes are: failed heating element; blown thermal fuse in the heating circuit; faulty temperature sensor.
Other Bosch dishwasher codes
All Bosch dishwasher error codes →
Other dishwasher brands: Whirlpool · KitchenAid · Samsung · GE · LG · Maytag · Frigidaire · Generic · Electrolux · Kenmore
This information may contain errors or not apply to your exact model — always double-check it against your appliance's own manual before acting. If there's any chance of a gas, fire, electrical, carbon monoxide, or other safety hazard, stop and call a licensed professional or the appropriate agency (e.g. your gas utility) instead of relying on this page alone.