John M Gainesville , VA September 02, 2023 Appliance: Model 18 YEAR OLD SAMSUNG DRYER Samsung dryer runs but stuck in cooling mode. Found YouTube video. Took dryer apart. Removed heating element assembly. Used multimeter to determine bad parts. Ordered the thermister and thermostat from AppliancePartsPros.com Arrived in two days. Replaced parts. Reassembled dryer. Success! Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours