Gregory J Elmhurst , IL August 17, 2020 Appliance: Model DONT HAVE NUMBER HANDY/FRIGIDAIRE No heat. I replaced the valve coils. sure enough, that was it. I also went back in and replaced the heat sensor, I figured that to be cheap insurance, also was a good time to vacuum out all the lint in the bottom.SAFETY FIRST! Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes