First, open the freezer door and cycle the door switch on the roof of the freezer compartment to see if it turns on and off the freezer light. If the freezer light stays on when you push in that switch, replace the freezer light switch (searspartsdirect.com/part-number/12002646/0046/464.html
). If the freezer light switch works okay, then one the refrigerator light switches is likely bad. Open one door and cycle the light switch on the roof of the refrigerator compartment. If the refrigerator light stays on when you push in the switch, replace that switch (searspartsdirect.com/part-number/WPC3680310/0046/464.html
). If that switch works, check the switch for the other door in the same manner and replace that switch if it doesn't work (searspartsdirect.com/part-number/WPC3680310/0046/464.html
). If all light switches work, then you'll likely need to replace the electronic control board. Unplug the refrigerator before replacing parts.