The part(s) or condition(s) listed below for the symptom Bath fan heater not working are ordered from most likely to least likely to occur. Check or test each item, starting with the items at the top of the page.
To determine if the heating element is burned out, use a multimeter to test the element for continuity. If the heating element does not have continuity, replace it. The heating element is not repairable—if the element is defective, replace it.