When I turn my oven on bake the broiler element runs and eventuly the f2 codes comes on.

Question edited for clarity and typo.
Question moved to Jenn-Air.

It is a known iss. The fix is here. You need a relay board.

https://www.justanswer.com/appliance/7apwg-jenn-air-oven-turns-broil-element-when-using.html

https://www.google.com/search?q=JennAir+Wall+Oven.+The+broiler+element+comes+on+when+baking

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Check the broiler element, and see if get the same reading.

Does the oven heat on normal "bake" settings? If so, the bottom element is fine, and it's the "brain" not telling the bake element to get hot.

I would check the oven sensor it may be bad

Turn the breaker off for 5 minutes then turn it back on see if this helps if not let me know.

Hello there and than you for choosing Fixya
If your oven does not heat, does not heat enough or does not broil, a common cause is a burned out heating element. There are two elements, the baking element on the floor of the oven and the broiling element on the ceiling of the oven. They are about the diameter of a pencil and typically supported by metal stand-offs.
This easiest test you can do is to turn on the oven and observe the heating element. If it glows red, the element is working. When baking, the broiling element may come on to assist with preheating or to maintain the oven temperature. When set to bake, if the broiler comes on, but the baking element does not, the likely cause is a burned out baking element.
When set to broil, the broil element should glow red, but the bake element typically is not used. If the broiler does not glow, it is likely a burned out heating element.
There are other possible causes of these symptoms, refer to our diagnostic page for some other possibilities.
To test the heating element using a multimeter, follow the steps provided below.

1. Unplug the oven or turn off the power at the breaker or fuse box.
   
2. Follow the heating element back to where it goes through the wall of the oven. Remove the bracket that secures the element in place.
   
3. Unscrew or unfasten any stand-off supports that secure the element to the oven.
   
4. Pull the element part way out to expose the oven's wiring connected the element.
   
5. Label the wires and secure them in place so they do not fall back into the cavity.
   
6. Disconnect the wires from the element.
   
7. Using a multimeter set to x1, touch one probe to each of the element contacts. Expect resistance in the range of 20 to 40 ohms. Infinite or kilo-ohm resistance usually indicates a bad element and it should be replaced.
   
8. If the element tests okay, reconnect the wires, slip them back into the cavity and resecure the element.

you do not say it is electric oven. if so broil element requires 240 vac. may be controlled by relay. Is bake element working? also controls for broil may be different setting if digital panel is in this design. I think same sensor may be used for bake or broil.

you do not say if gas oven, electric oven, single or double oven or if digital panel control, a little more information would help.

if you have digial voltmeter, FULLY disconnect electric power and measure element on terminals. probably less than 15-20 ohms for a good element.

does the bake element come on at all?
if so, try the oven out. do a bake @ 350 allow it to pre-heat, and see if once the pre-heat is comlete, id the broil shuts off.
on many ovens at the beginning of the cycle during pre-heat both bake and broil elements are powered.

other than that it may be a control board, or a burnt and crossed wire in the harness.

Trying to better define the problem....

Do you have any cuts, holes or "shorting" or tin-foil/aluminum around your bottom bake heat-element? If so, you may need to replace the baking Heat Element. (Ensure you do not use aluminum foil around your heat element to prevent your oven from getting dirty)

To replace your baking heat element, with power off; remove 2 screws securing the bake element. Slightly tug and pull towards you for about 3 inches or so and disconnect the connecting wires at each end. Then completely remove the heat element and install new in reverse manner. Whats' you're model number?

Boone, by the sound of your post it sounds like the power relay board could be bad. If you had a stuck or shorted keypad, you should be getting a different code. The F2 code means an overheated condition. If it's a double oven it could mean a secondary board failure. The way to go on this would be to ohm out the temp sensor first. Should read about 1100 ohms at room temp. Another way to check it is to swap the bake and broil wires on the power relay board. They will be marked BA and BR. Fire the oven up again and if the bake element comes on then you know that the broil relay is stuck or shorted. Without being there to do the tests, I believe that the problem lies in the power relay board. The part number for the board is 71003431. Priced around 116.00. Jenn-Air usually has a 5 year warranty on these parts. Hope this points you in the right direction. Catriver..post back

Similar problem. When baking over 400 degrees we get the F2 code that can only be reset by cycling the power at the breaker. Replaced the electonics to no avail. I'm thinking its the cooling fan located between the oven and microwave (upper unit) it never comes on which may cause a separate temp switch to generate the F2... but I'm not a pro. :)