0 0 There is no defrost heater in this evaporator. Ran the diagnostics and found no error codes. Model Number wrx988s1bm03 Request Resource Materials Service diagnostics guide, Service bulletins, Service pointers, Job aids Refrigerator Whirlpool Share Facebook Twitter Google+ Tumblr LinkedIn Mail user asked 9 months ago Answers (1) Filter Sort by: Newest First Oldest FirstMost VotesRecently Active Post Answer Keyword Match all Match any 0 0 Hello See the service manual links below. I would make sure the evaporator fan motor is running. Matt Ace technician AV Repair Help answered 9 months ago You must login to reply Showing 1 result Your Answer Please login first to submit.