I think you are on the right track with a faulty high limit switch. When i serviced these units we always replaced the operating thermostat and the high limit switch together they came in a kit. The operating thermostat in theory should never let it get hot enough to trip the high limit switch, which is really just a safety backup for the operating thermostat. Get the kit and replace both, and also make sure your exhaust vent going outside has good flow at the outside vent,a restricted vent system will cause similar issues.. Good Luck
Thank you for the quick response. I appreciate your feedback. I am confused by which thermostat is the operating thermostat. I have two switches/thermostats on the heating element-the high limit switch and the high temp thermostat. then on the blower motor has a cut switch and a dryer cycle thermostat. Online they sell the high limit and high temp together. is the operating thermostat the dryer cycle thermostat or the high temp thermostat? All of these tested with continuity as if the switches were closed, could they still be faulty?
I had similar problem and was going to call repairman. Instead I disassembled panels and lint components and thoroughly deep cleaned everything. After reassembling it all, the dryer worked again as normal. I think it was overheating before the cleaning and a safety mechanism activated to stop the dryer. It seems to be working fine now.
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Thank you for your help on the solution to my problem with with the thin twin stacking washer./dryer with the heating problem. I was not sure what you meant when you mentioned the operating thermostat. On my model there are two thermostat/switchs on the heating element box-the high limit and the high temp thermostat. I saw these in a combo pack online. There was a dryer cycle thermostat and cut off on the blower motor also. When you say operating thermostat, I was thinking that you meant that dryer cycle thermostat but because I did not see this in a combo, I was wondering if you could clarify which one?
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