Question about Ovens
On frigidaire manufactured ranges the fault code "F3" means the ERC/EOC (electronic control) has detected a "open" thermistor/temperature sensor.
if you feel up to it, here's what you can do.
**FIRST; unplug the unit from the wall or shut off the breaker.**
*you will also require a multi-meter or a ohm meter. a measuring device of some kind to check the value of the sensor once removed.
most sensors can be replaced without opening the back panel or sliding out the range and can be done from inside the oven, but be careful not to let the sensor connector slide back thru the opening after disconnecting it.
1) having shut off power to the unit, look into the oven and you'll see the sensor coming thru the back of the oven liner. (skinny pen like instrument) this device will be fastened to the liner by 2 screws, either philips head (star) or robertson (square). some are even small 1/4 inch nut heads, rarely.
2) remove these screws and gently pull the sensor toward you...slowly. you don't want to yank it, and you need to be sure the harness will come thru that small opening (some don't-most do, don't force it. it just means you'll have to unfasten the rear panel of the range, no big deal really). as I said before make sure the connector isn't going to fall back thru the hole when you unfasten the wires.
3) with the sensor removed, measure the ohm value between the two pins at the harness. if the sensor is truely "open" you should get a reading up around 3k ohms. replace it. possible sensor #'s are 316134900, 316217002 and 316217001. those are just the ones I'm aware of. cross reference with your model number at a local parts depot, or online supplier.
if you only get a reading around a thousand ohms, it's good. that may indicate a poor electronic control, the "watchdog" in the processor is "lieing" err, giving false readings/codes. don't worry about that right now though. my advice is for the sake of $20-$40US get a sensor and replace it first before condemning a potentially $200 to $300US control.
hope that helps,
Posted on Sep 28, 2009
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Posted on Jan 02, 2017
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Hi - Typically error code F3 indicates a faulty sensor probe or wiring harness between sensor probe and EOC. Try resetting the range by unplugging it or flipping the circuit breaker off for two minutes (this usually will clear most false error codes). Turn on the range and if resetting the unit proves to be ineffective, I would recommend contacting a professional to move forward accurately.
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