If your Jenn Air wall oven display is not working, the oven display may be completely blank, dim, or missing parts of the digits. The most likely cause is a faulty oven control board. If the control board has power but the display remains dead, the control board usually needs replacement. Next, check the Jenn Air display board. A display board that is not receiving power may point to a problem with the main control board, which supplies power to the display. If the display has power but stays blank, dim, or shows missing digits, the display board may be defective. A faulty LED board is more likely when only part of the display is missing or dim, while a completely dead display more often indicates a control board problem. Also check whether the wall oven is in lock mode or has the child-lock or Sabbath feature enabled, since these settings can disable the controls. Less commonly, the control panel or related wiring may be at fault. Enter your Jenn Air wall oven model number to find the exact replacement part for your specific appliance, including the correct control board, display board, LED board, or main control board.
01 - Jenn Air Range/Stove/Oven Oven Control Board
The oven control board displays the time, temperature, and settings for the wall oven. If the oven control board has power to it but the display is dead, missing digits or dim, it will need to be replaced.
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If the display board is dead it may not be getting power from the main control board. If there is power to the display board but the display is dead, missing digits or dim, it will need to be replaced.
The wall oven's LED board will usually display the time, temperature, and settings for the range. If the display only partially shows digits or is dim, it's likely the LED board is faulty and should be replaced (if the whole display is not working, a defective control board is more likely the cause of the problem).
The main control board sends power to the display board to operate. If the display board is not receiving power, the main control board is likely bad and will need to be replaced.
Many wall ovens have a child lock or "Sabbath" feature which will prevent the buttons from being used when the feature is engaged. Consult the oven's user manual for information regarding locking/unlocking the control panel.
Common
06 - Jenn Air Range/Stove/Oven Control Board
For many wall oven's, the control board interacts directly with the display to show the time, temperature, and settings for the range. If the control board has power to it but the entire display is not working, the control board is likely at fault and will need to be replaced.