I have a GE refrigerator (model pfss5rkzss) with an ice maker that is not working. There are a few ice cubes in the ice bin that are very transparent (looks like they barely got cold enough to freeze). I can put my fingers in the ice molds and feel water in them so I know it's not the water line or filter. The freezer is set at 0. There are 2 lines that supply the ice maker with cold air. 1 at the ice bin and 1 at the molds. When I open the door I can feel cold air coming out the line to the bin but nothing comes out the line for the molds. I'm guessing that this is the problem. Any suggestions?