F7ESerious
GE Dishwasher F7E Error Code
The control board detects the heater relay is stuck open or closed.
Common causes
- Failed relay on control board
- Wiring short or open
- Control board malfunction
How to fix it
- Reset the dishwasher by turning off circuit breaker for 5 minutes
- Check wiring harness connections to the heating element
⚠ When to call a pro: If reset doesn't work, the control board likely needs replacement.
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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.