I found this on line don't know if it will help but it might send you in the right direction for testing to determine if it's worth repairing-- sorry
Shortly after a series of power failures I started receiving this error code. Looked up it online and did some extensive research. Everything pointed to a faulty sensor so I purchased a new sensor and installed it today. It didnt help, and testing my old sensor I determined it was also working. In the service manual it stated to do the following corrective action for the F3 - E0/E1/E2/E3 error codes:
Quote:
1. Measure sensor value (between connector pins) between 1000 ? @ 32° F and 2697 ? @ 900° F (room temperature approx. = 1080 ? ). If measurement does not correlate to real temperature, disconnect power, replace sensor and refer to steps 3-5. Also measure from sensor connector to sensor casing for possible short.
2. Trace wires and connectors to sensor, from control, then from sensor back to control. If all connections made and no wire damage, refer to step 3.
3. Disconnect power for longer than 30 seconds
4. Re-apply power and press BAKE and START/ENTER. Observe for longer than 1 minute.
5. If failure remains, disconnect power, replace control, then go back to step 4.
I also tested the resistance of the sensors control panel wire harness connector and they are correct. Next step outlined in the service manual is to replace the control board. Sears has the control panel in stock for $177.47. This to me is not worth it over the cost of a whole new oven. Are there any fuses or anything else that could easily or cheaply be replaced before throwing out the oven. Thankyou very much in advance for your time!
Read more:
http://forum.appliancepartspros.com/oven-repair-including-ranges-cooktops/99568-kenmore-oven-error-f3-e0-not-faulty-sensor.html#ixzz3JZIfN7gD
http://forum.appliancepartspros.com and this
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