Thermostat controls heat. There is also a motor centrifugal switch, in the element circuit, that the motor closes to insure the motor is turning. Try another heat setting. There is more than one thermostat. You may have blown the 'thermal fuse' too, which requires replacement.
It is possible that your element has failed also.
Tripped high limit. Must clean the lint filter and the exhaust vent tube and all the way in to the dryer. Hot air exit is restricted.
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