When your Caloric wall oven display is not working, the oven control board is the most likely cause, especially when the board has power but the screen is completely dead. A failed control board can also cause the wall oven control panel not working, with no response from the buttons or settings. Next, check the display board. If it is receiving power from the main control board but the oven digital display is still dark, dim, or missing digits, the display board needs replacement. A partially lit screen or oven display missing segments points more specifically to a faulty LED board. If the display board is not receiving power, the main control board may have failed and cannot supply the required voltage. Before replacing parts, make sure the wall oven is not in child lock or Sabbath mode, which can disable the controls. These oven control board problems can look similar, so use a multimeter and the wiring diagram when testing. Enter your Caloric wall oven model number to find the exact replacement control board, display board, LED board, or main control board for your appliance.
01 - Caloric 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 - Caloric 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.