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    • Part Number: AP3963654
    • MFG Part Number: 316490000
    • Made by: Frigidaire
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For Frigidaire Probe (Part Number: AP3963654)

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I did a power disconnect for 10 minutes, that seemed to fix the problem (See your previous answer below, my trouble is identical). However, the next day it did exactly the same thing. I do not know how to do your 'ohm test'. What do you think needs replacing? "Hello Tom, While the sensor is the most obvious part, I wouldn't replace it without testing it first. It should read about 1100 ohms at 70°F. If it reads more than 100 ohms difference (above or below), I would replace it. The thing they didn't mention on the phone is that the main control has to interpret the information sent to it by the sensor. First thing I would do is turn off the power to the unit for at least 10 minutes. If the microprocessor on the board isn't damaged, the discontinuation of power for 10 minutes will reset the microprocessor to factory default. Since the sensor AP3963654 is an electrical component that is exposed to a great deal of heat, it might not be a bad idea to replace it first anyway. If this doesn't correct the problem, the next thing to do is trace the wiring to the sensor from the control board to insure no poor connections or wiring damage is present. If no problem is found there, the control AP4340707 replacement is the option that will correct the issue."

Doug for Model Number Frigidaire FEFL79DSL Frigidaire/range

ANSWER Hello Doug, In order to perform this test, you need a resistance meter TJMA-DMT3. You will have to either remove the sensor from the bake compartment, or you can open the control panel and test the sensor from the point where it connects to the control. You put one lead on one of the connections to the sensor and the other to the other wire to the sensor. At 70°F, the sensor should read about 1100O on the RX1 scale, (or if you are on the RX100 scale it will read 1.1KO). If the reading is more than 10% off from this reading, the sensor will require replacement. Here is a link on how to use a multi-meter. http://forum.appliancepartspros.com/oven-repair-including-ranges-cooktops/4810-how-check-continuity-ohmmeter.html 

Answered by AppliancePartsPros.com   |   Tuesday, September 04, 2012

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