The dashes show that it is turned off. Try pressing the buttons to turn it on. This signal comes from the controller board. It it doesn't work replace the main controller board.
Amana Refrigerator Main Control Board 67004258
Retailers sell the part for around $170
Here's a new one on eBay for 1/3 of that: http://www.ebay.com/itm/Maytag-Refrigerator-control-board-67004258-New-in-box-/251622880371?pt=LH_DefaultDomain_0&hash=item3a95e47473