F21Warning
KitchenAid Oven/Range F21 Error Code
A key on the oven control panel is detected as shorted.
Common causes
- Moisture or liquid inside keypad
- Damaged keypad membrane
- Control board issue
How to fix it
- Unplug the range or turn off the breaker.
- Dry the keypad area thoroughly with a hairdryer on low heat (keep distance).
- If error persists, the keypad likely needs replacement.
⚠ When to call a pro: Call a technician if drying does not resolve, as replacement is complex.
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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.