If the dryer is not heating then you are at the top five of most popular causes
Its a safety device designed to protect the dryer from over heating . If the dryer over heats then the fuse will blow off to cut off the power to the heating element . You can use a multimeter to check for contiuity.
If the heating element is broken then the dryer won’t heat up
3 – faulty thermostat
It monitor the dryer temperature and will shut the heating element off if the dryer overheats
4 – faulty cycling thermostat
This thermostat is cycling the heating element on and off to regulate the heat inside the dryer
5 – if the dryer is not getting 240 volts it will run but it won’t heat