After the oven has been on for an hour, F10 shows, it starts beebing and the temp goes to max!
The F10 indicates that the electronic oven control board senses a runaway temperature condition in the oven through the oven sensor circuit.
This can be caused by a faulty oven temperature sensor probe or a failed electronic control board.
Oven temperature is detected by the control board as it monitors the resistance through the oven temperature sensor circuit.
You could have a failed oven temperature sensor, a wiring harness failure, an open thermal switch or a failed electronic oven control board that would cause this problem.
The first component to check would normally be the oven temperature sensor probe.
If you have a volt/ohm meter, you can shut off the breaker for the range and remove the screws that mount this sensor to the back wall of the oven.
Carefully pull the wire harness into the oven cavity until you get to the wire harness disconnect plug.
You should have enough slack to pull it this far into the oven.
Disconnect the sensor but do not let the wire harness retract back through the back wall of the oven or it will be hard to reconnect.
Measure the resistance of the oven temperature sensor with your volt/ohm meter. At room temperature, the resistance should measure around 1100 ohms.
The resistance chart is shown in the image below.
If the resistance is above 2200 ohms at room temperature, then the sensor probe is causing the F10 error code and will need to be replaced.
You can order a new sensor probe from the Sears PartsDirect website. The part number for the sensor is 316217002.
If the resistance is normal, then one of the other causes mentioned above is producing your F10 code.
You would need to access the electronic oven control board (Timer) in the console and check the resistance at the sensor circuit connection to the control board as the next step in troubleshooting this problem.
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Check the oven to ensure that it is off and that the timer isn't running. The buttons used to set the clock are the same buttons that adjust the oven, and you may end up making unintended adjustments to the oven.
Press the "Clock" button to enter the clock setting mode. The LCD will show the current time set on the oven.
Use the "Set Temp/Time +" or "Set Temp/Time -" buttons to adjust the clock to the current time. Depending on your model of stove you may need to use the "Hour," "Min" or the "Temp/Hour" up and down arrow buttons to set the time.
Save the new clock setting by pressing the "Start" button. Depending on your stove model, you may need to press the "Clock" button a second time if the "Start" button does not work.
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