Cory C Gray , LA February 27, 2017 Appliance: Frigidaire Room Air Conditioner FRS093LW11 Frigidaire Air Conditioner Frs093lw11: Ductless ac would not stop running. How to replace Thermistor. Replaced Thermistor, and unit is cycling as it should now. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes