Question about Kenmore 40494 / 40495 / 40499 Electric Single Oven
I bought a new range, when I press bake and it heats up to 350degrees, I get an F30 beeping I have use the stop button, then F10 starts right after. It doesn't shut off when I presss the stop button.
I cannot use my oven!
The F30 error code indicates that the electronic oven control board detects an "open" oven temperature sensor probe circuit.
This is usually caused by a failed oven temperature sensor probe.
Replacing this component will likely fix your problem.
You can order this part from www.searspartsdirect.com website.
If you replace this part yourself, be sure that you unplug the range to disconnect electrical power before accessing this component.
On some models, you can replace the probe by removing the screws that mount this component to the inside back wall of the oven.
Carefully pull the probe inside the oven cavity until you encounter the wire harness disconnect plug.
Unplug the sensor and replace it with the new one. Mount the new probe on the back wall of the oven.
On some models, you have to remove the lower back oven panel to access the sensor probe.
If you replace the probe and still have this problem, you will need to unplug the range and measure the resistance through the violet wires that plug into the control board (this is where the sensor probe circuit is connected to the control board).
If the resistance through the oven temperature sensor probe circuit is normal (about 1100 ohms at room temperature) then the electronic oven control board will need to be replaced.
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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Posted on Oct 01, 2010
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