Kitchen Aid Frezzer Controls Problem

MY fridge does not respond to temperature change via the buttons in the fridge compartment (LED’s always fall back to 21ºC). i can see the fridge and frezzer temp on thedisplays but cant change it. no other controls from that panel work.

Both the frezzer and fridge are cold.

Sounds like the control board (#3 on the diagram) has to be replaced.

Gene.