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The model number decides what F3 means on a Kenmore range.
Elite 721 models: a stuck key
The code is shown on the control that has the problem, either the oven control or the cooktop control. It is one of only three codes this control displays in regular operation, together with F9 and F19.
- Unplug the range.
- Cooktop side: inspect the ribbon cable linking the panel to the cooktop board. Oven side: inspect the panel ribbon where it plugs into the oven board.
- Reconnect any loose ribbon wire.
- Push every key on that control, from several angles, to release the jammed one.
- Reassemble and plug the range in.
When F3 comes back, a technician repeats the test with the ribbon unplugged. The code remaining means a new control board; the code vanishing means a new control panel.
Freestanding 362 and 790 ranges: the sensor
- On the 362 model, the sensor that reads oven temperature is bad and electrically open.
- On the 790 models, self-cleaning and manual-cleaning alike, the sensor has failed.
With the range unplugged, a meter checks the sensor circuit, which is a technician’s check. Outcome: a new sensor, plus a new harness or electronic control board on certain models.
Look at these too
- F2 is the upper oven sensor code on the same Elite 721 chart.
- F2E1 is a stuck key code on 664 models.
- F3/E0 is an oven temperature sensor code on the 665 series.
Kenmore range repair and service in San Francisco
Whether the key or the sensor is at fault, Kenmore range repair brings a technician to San Francisco and Bay Area kitchens. Have the model number prefix ready (721, 362 or 790), together with which control showed F3, when you call (415) 825-6393.
Model compatibility: Kenmore reuses codes across series and model years, so F3 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.
