Model #PLEFM399DCB FRIGIDAIRE Free Standing, Electric

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  • Wiring Diagram
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Question and Answers

Q:

Why does the oven come up to temperature but not shut off in my Frigidaire range?

A:

The oven will normally overshoot the set temperature during the initial preheat by as much as 40 degrees. If the oven overshoots the set temperature and then cycles normally it is likely working properly. If the oven is set at 350 and it continues to heat past 500 degrees then you definitely have a problem.

This type of problem could be caused by a bad oven temperature sensor probe or a failed relay on the electronic oven control board. Check to see if the broil element will heat and cycle properly in the broil mode. If it will then the temperature sensor probe in the oven is likely working properly. You would need to replace the electronic oven control board (part 316418704) in that situation.

If the broil element overheats as well, I recommend that you check the resistance of the oven temperature sensor probe with a volt/ohm meter. The resistance of the oven temperature sensor probe should be around 1100 ohms at room temperature (75 degrees). If it is significantly lower than this (less than 1000 ohms) then you will likely need to replace the oven temperature sensor probe (part 316217001) to fix this oven problem.

To test the probe, unplug the range and remove the screws that secure the sensor in the inside back wall of the oven. Carefully pull the probe into the oven cavity until you encounter the wire harness disconnect plug. There should be enough slack in the wiring harness so that you can pull the wires into the oven cavity and unplug the probe. Do not let the wire harness shrink back through the back of the oven cavity. With the temperature probe disconnected, measure the resistance through it with a volt/ohm meter.

These tips should help you resolve this oven problem. If you need more help, resubmit your question with additional details.

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Lyle W -
Sears Technician
December 23, 2009

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