James H Vacaville , CA August 02, 2019 Appliance: Whirlpool Ice Maker GI15NDXZS1 Whirlpool Ice Maker Gi15ndxzs1: Free standing GE ice machine would not stop making ice. How to replace Ice Maker Bin Thermistor. I replaced the ice bin thermister, which was quickly supplied by Appliance Parts Pros, at a reasonable cost. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes