Daniel B Parker City , IN July 03, 2019 Appliance: KitchenAid Refrigerator, French Door KRMF706ESS01 Kitchenaid Refrigerator Krmf706ess01: Loud evaporator fan and PF error code. How to replace Evaporator Fan Blade (Freezer). Evaporator fan was loud and eventually quit. This allowed the freezer temp to rise above 18 deg. which they activated the PF code. Replacing the evaporator fan motor fixed the problems. 6 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes