John C Barstow , CA July 28, 2015 Appliance: Maytag Upright Freezer MQF1656TEW02 Maytag Freezer Mqf1656tew02 / : Defective defrost timer. How to replace Defrost Timer. Observed frost/ice around return air intake indicating a frozen evaporator. Found replacement part at appliancepartspros.com and the VERY next day the part arrived. Never had parts shipped that fast. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes