Michael W New Cumberland , PA June 21, 2014 Appliance: General Electric Refrigerator GSL25JFPDBS Ge Refrigerator Gsl25jfpdbs: My ge refridgerator was continually howling as the evaporator fan kicked on. How to replace Board Asm Main Control. Research of this problem showed that it was directly related to a faulty control board. Replacement of the board only took 5 mins and was very easy to do. The fridge is working properly now. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes