William P Baton Rouge , LA March 13, 2017 Appliance: Whirlpool Ice Maker GI15NDXZB0 Whirlpool Ice Maker Gi15ndxzb0: MyWhirlpool under counter ice maker kept making too much ice. How to replace Thermistor. Researched the problem and determined it was the bin thermistor. 8 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes