0 0 My Maytag refrigerator is not cooling properly.Has frost build up on coils. Model Number mzd2766gew Refrigerator Maytag Share Facebook Twitter Google+ Tumblr LinkedIn Mail Hall Refrigeration asked 8 years agolast edited 8 years ago Answers (1) Filter Sort by: Newest First Oldest FirstMost VotesRecently Active Post Answer Keyword Match all Match any 0 0 I would recommend checking continuity on the heater & defrost thermostat. If they have continuity I would recommend installing a new ADC (adaptive defrost control) on this unit. See parts and video links below. Part adaptive defrost control, diagram AV Repair Help answered 8 years agolast edited 8 years ago You must login to reply Showing 1 result Your Answer Please login first to submit.