Overheating is the most safety-critical dryer fault. Stop using it until you have ruled out a blocked vent.
Restricted Venting
A clogged lint screen or vent duct traps heat with nowhere to go.
Fix: Clean the lint screen every load and have the full vent run cleared annually.
Failed Cycling Thermostat
This thermostat regulates drum temperature; when it sticks closed, the dryer overheats.
Fix: Replacement is a standard repair once the cause of any blockage is also fixed.
Clogged Blower Wheel
Lint that bypasses the screen can pack the blower wheel and choke airflow.
Fix: A technician can clean or replace the blower assembly.
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