Vengie F Lancaster , CA February 08, 2019 Appliance: Whirlpool Electric Range RF0100XKW0 Whirlpool Range Rf0100xkw0: Always blinking ref temp. How to replace Refrigerator Temperature Sensor. So far so good..blinking is not there and its now normal not frozen at the ref anymore..will see... 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes