F21Warning
Kenmore Oven/Range F21 Error Code
The control board detected a short circuit in the keypad circuitry.
Common causes
- Moisture or conductive debris on keypad
- Damaged keypad ribbon cable
- Faulty control board
How to fix it
- Unplug the range for 1 minute
- Inspect keypad for spills or damage
- Clean with a dry cloth and ensure no buttons are stuck
⚠ When to call a pro: If code persists after cleaning and reset, the keypad or control board is faulty; seek professional help.
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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.