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    • Part Number: AP3969435
    • MFG Part Number: 316490001
    • Made by: Frigidaire
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For Frigidaire Probe (Part Number: AP3969435)

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Checked temp of upper and lower ovens set at 375 degrees. Fluctuated from over 425 to around 325. Seems to be a wide range - I expect some variation (+/- 25 degrees) but this (especially the 425+ is causing baking issues. What is the procedure for removing the probe for resistance testing? Do I have to remove the ovens from the wall to access the connections?

Dave for Model Number FEB398CEBC

ANSWER Hello Dave, The temperature of an oven is a deceiving thing when taking the temperature reading. You see, the temperature in the bake compartment is never constant since there is either a thermostat or an electronic circuit that turns the elements on and off. When taking the temperature, you must let it preheat first, then take the temperature with a digital thermometer over a period of three to four cycles. This is a time consuming process since you cannot open the door and must let the unit warm up to the highest point and cool down on its' own. This process has to be monitored so you can record the high temperatures and low temperatures. Once you finish, there will be 6 readings for three cycles or 8 readings for 4 cycles. When these numbers are totaled, you then divide by the number of readings you took. For example if you let the unit cycle 4 times, total the readings and divide by 8. This will give you the average temperature. The average temperature is the actual bake temperature used for baking recipes. The range can be astonishing, but this is how man overcomes the laws of nature. If you want to read the resistance of the temperature sensor, you can do this at the control board or remove the sensor and test the resistance from the connector where it attaches to the harness. Sometimes you can get lucky and remove the sensor from inside the bake compartment and gently pull it out to get to the sensor connector. If it is done this way, you should be aware that if the connector isn't reinstalled so it is actually outside of the second layer of metal, it will melt and shut down on you again. The resistance should read 1050 to 1100 ohms at room temperature, (approximately 70°F). 

Answered by AppliancePartsPros.com   |   Monday, June 25, 2012

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