Etermine if the evaporator fan motor is defective try turning the fan blade by hand.
Kenmore elite refrigerator evaporator fan not working.
The defrost cycle varies between makers.
If the evaporator fan is not working it will not circulate the cold air to the refrigerator compartment.
If the evap fan is not working the freezer will be cold near the evap unit but not elsewhere in the freezer.
That is the most common thing on this unit.
If the fan blade does not turn freely replace the fan motor.
If this occurs the freezer may still get cold while the refrigerator will not get cold.
You re now in the test mode.
First let s see if the evaporator fan runs in the diagnostic test mode.
If the unit and fan is iced over this means that either the defrost heater is not working the defrost timer is not working the control board is faulty etc.