Don't be duped into thinking the display/dispenser board is the culprit. It may come a surprise, but this failure is often misdiagnosed. Because the dispenser is causing such a ruckus or because the display itself is blank or flickering, folks are led to believe that the display control board itself is the part that has failed. Looking at the history of our board evaluations, this little tiny control board rarely fails. And as crazy as it may seem, it is the main control board, aka the high voltage control of the fridge that is causing your refrigerator not to cool and the dispenser to be erratic.... This is the main control board of the refrigerator, located on the back of the unit. I've attached photos of what this main control board looks like. This main control board will need to be repaired to replaced.
http://blog.fixyourboard.com/2016/06/08/ice-dispenser-flapping-display-flashing-on-refrigerator/
Ice Dispenser Flapping and Display Flashing on Refrigerator
There is a known problem with the HV control board on your model Maytag Ice2O French Door refrigerator. The cost of the repair is covered by Maytag. You must call your local Maytag shop to schedule a repair and also you, the owner, must call Maytag directly to have the HV Control Board shipped to you at no cost. When you receive the part, call your local Maytag shop to tell them that you have part on hand.
To stop the door cycling open and closed, reomve the hinge cover on the top left of the refrigerator. You should see the wiring and the wiring connector. Gently but firmly disconnect the connector and the LED display and the dispenser door should turn off. Of course, once the defective control board is replaced, the technicain should reconnect the wiring and check for proper operation.
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