Oven starts to heat up no problem until certain temp (approx 100 degrees) where the timer suddenly flashes zero and oven stops. Clock never resets but after about 5 minutes you can go through the whole process again.
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Does the oven actually heat up with the temperature more than 100 or does it just stay at 100? Alternatively, when you open the oven can you see the orange glow of the flame through the vents in the bottom of the oven and hear the gas hissing?
F3 is a failure in the oven sensor circuit. That circuit being from the ERC outlet pin to the harness, to the sensor and back to the ERC return pin. Could be a bad sensor that is failing under heat conditions, or possibly a connection that is failing as the unit heats and it expands. The temp of the sensor at room temp is 1050-1100 0hms and goes up 100 ohms for every 50 degrees from there. If you can get it to fail, and ohm it out, you will know for sure. I will tell you a sensor is a heck of a lot cheaper then an ERC and is more likely the culprit. Here is the sensor to order.
set the oven to 550 degres
hold the bake button until you see the temp go to zero
push the temp select up until it changes in five degree increments to the desired bump up in temp you can raise it or lower it up or down by 35 degrees in five degree increments, once you have the desired adjustment it will revert back to normal on the controls screen readout
check the oven temp and adjust as necessary, this info is available in your users manual as well.
broiler on top of oven?? if so it might have a second ignitor that is working. Most units now with gas have an electric ignitor to start gas ovens. What they do is send electric current through an electric "wire", when enough current is flowing through wire to open gas valve the wire is hot enough to ignite the gas flowing over it. When you turn on the oven look at the burner and after 1 imute or so you should be able to see an Orange glow in bottom of oven if not I'm sure its the ignitor, if glows then probably oven valve is bad. I'd guess ignitor because most oven makers use this ignitor to mantain a warming temp (around 100 degree's) so since your display doesnt register over inital "start" temp of 75, i'd bet ingitor not coming on at all
I had the same problem with my magic cheff oven. I had to set the temp at 400 - 500 degrees to get to get an actual oven temp of about 250 degrees. The oven temp sensor checked ok with an ohm meter. Should be around 1100 ohms at room temp. I work in the electronics industry and know capacitors go out of range and dry out with heat and over time so I replaced the 3 or 4 electrolitic capacitors on the timer board. Cost me about $6.00 at Radio Shack and now my oven temp is right on the money. I realize not everyone may want to do this but it worked for me. Better than the $200.00 for a new oven timer control board. I have also found a company's website that fixes these boards for about $89.00 ApplianceTimers.com
There will be a current switching relay to the oven - which is faulty - hence why you get the error when it realises it's not working.
This should be replaced to solve future problems.
For your reference, the fault codes are -
F0 Touch pad stuck in depressed position F1 Element relay circuit failure F2 Oven temp exceeded the clean runaway temp (self clean) -or- runaway temp (cooking modes) F3 Short circu!t in oven temp sensor F4 Open circuit in oven temp sensor F5 - N/A F6 Failure in the EEPROM check comparison (only time of day and timer will operate) F7 Failure of Sef-C1ean auto door latch circuit. F8 Failure of the door latch motor. Occurs when the motor runs for two minutes without the door locking Self-Clean mode.
If this resolves the issue, Please rate accordingly. Thank you.