Forney L Benton , AR February 07, 2017 Appliance: Maytag Refrigerator MZD2768GEQ Maytag Refrigerator Mzd2768geq: Ice maker chute freezing. How to replace Ice Door Fountain Kit. I replaced the ice maker chute door that was letting air into the freezer causing frost to build up. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes