Answer Bob, You will want to pull the icemaker and check for seeping from the icemaker. Also check to make sure that the fill tube is not frozen. If you do not see signs of dripping down the back wall or shelves then you will want to make sure that the drain behind the wall is not frozen which would cause frozen ice at the bottom of the freezer compartment. If the fill tube and icemaker check ok and the drain is not plugged then you would want to replace the water valve. Read More... Answered by AppliancePartsPros.com | Thursday, June 6, 2013