Hi. Erorr 4d22 indicates that the control board isn't seeing the fan speed signal from the fan on that oven. It's the lower oven, right?
Check the connection to the Fan and Control board, and if that's not it replace the fan.
HTH.
SOURCE: F4 error code on Jenn-Air W30400BC expressions built in oven
Slone, F4 is the code for a shorted temperature sensor. This is the temp probe in the oven. There are 2-quarter inch screws holding it on. It should pull out through the insulation until the quick connect comes through. If you want to make sure, the sensor should ohm out at 1143 ohms at 100 degrees. I think you can be pretty sure that this is the problem. The part number I have is 704657. Catriver.
SOURCE: Jenn Air W131 F1 error code
This means that the Power to element relay energized during time of day display. You have a problem with the wiring harness and it is shorted or you need to change the power relay board (PRB). If it is a double oven, you need to change second oven board.
SOURCE: Jenn Air Oven Model WM27260B Error code F7 plus beeping
f7 is a shorted key-stuck function on control
SOURCE: The upper oven has faulty code 4d22 every time i try to clean
I just tried the suggestion to cut the power to the oven from the box for 1 minutes, and it worked! I feel like I just earned a day's pay!
SOURCE: Jenn air oven problem
HI. this is a Communication error between boards. Check the wiring harness that links the Power relay board to the Main board. if the harness is fouled on any way, replace it asap. if the harness is in good condition, replace the power relay board.
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