HI, You will need to check the oven sensor wires that link the actual sensor to the main control board. Make sure that the contacts are connected properly, and not loose, or corroded. If all the wiring checks out, test the sensor for the correct resistance readings.(you will need a multimeter for this test)
The most common oven sensor should be approximately, 1100 ohms when at room temperature. The others may be close to as follows::
100°F - 1143 ohms
200°F - 1350 ohms
300°F - 1553 ohms
350°F - 1654 ohms
400°F - 1753 ohms
500°F - 1949 ohms
If the sensor test is adequate, and the wiring is Ok at the control, this will lead to a failed control board. replace the control in this case.
Sensor location
The sensor is, generally, located inside the oven, mounted on the back wall, on the top right, or left corner. There will be two screws holding the housing on the back of the oven wall. Once the screws are removed, the sensor will need to be extracted from the back side of the unit.
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