Icemaker does not work. cold water dispenser works but icemaker does not. i tried using a hair

Question

cold water dispenser works but icemaker does not. i tried using a hair dyrer over the water tube feed and the water resovoir please help!!Freezer icemaker tube is freezing over and clogging. I have used a hairdryer to release the pressure of the frozen tube, but it just froze back up again. Any ideas?