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On some models you have a mother board located on the back outer section of the refrigerator that can be faulty. There is a tech sheet located behind the kick plate or under the front of the ref bottom to refer to. If someone olays with the digital controls you may have to reprogram the mother board, which is explained in the tech sheet.
The double dashes in your display are for one of two reasons. First situation would be would be "you turned the unit off". Press the up arrow on the feezer or fresh food control until a 4 is in each display. Second, if the control is locked out, the board has been scrambled or failed possibly from a power surge. Unplug unit for 30 seconds, and plug it back in and try to set control's for "4". If controls are still locked out, the board (12868513) needs to be replaced.
Hi. Its either a bad motherboard or control board. I would check the control board for any obvious signs of damage to the board first. I've seen the control board go blank on the GE side by side and it turned out to be the motherboard. The motherboard is located behind a cover on the back of your refrigerator cabinet. You should have a new motherboard on hand at all times because they fail alot. Be sure to put a surge protector on your refrigerator. Good Luck, Mack
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