F3Serious
Whirlpool Dishwasher F3 Error Code
The dishwasher heating element is not working, so dishes won't dry and wash temps may be low.
Common causes
- Faulty heating element
- Loose wiring or blown fuse
- Defective thermistor
How to fix it
- Check for visible damage to the heating element (open door, look at bottom).
- Test continuity of heating element with a multimeter (power off).
- Inspect wiring harness for burns or breaks.
⚠ When to call a pro: If heating element tests bad or wiring issue is not obvious, call a technician.
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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.