F4Serious
Hotpoint Dishwasher F4 Error Code
The heating element is not working, so the dishwasher cannot heat water for washing or drying.
Common causes
- Open heating element
- Faulty heater relay on control board
- Loose wiring
How to fix it
- Check continuity of the heating element with a multimeter (should be ~10-30 ohms).
- Inspect wiring for damage.
- If element is open, replace it.
⚠ When to call a pro: If the element tests fine, the control board likely needs replacement by a pro.
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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.