If they are not able to resolve your issue and your fan is still under warranty, they may send you a replacement. As always, use caution when working on your ceiling fan and turn the power off at the circuit breaker box to prevent any injuries.New Ceiling Fan Not WorkingFirst, if your recently purchased ceiling fan is not working after you've installed it or suddenly stopped working after a period of time, please see the list of ceiling fan manufacturer's below and call their customer service lines for assistance in troubleshooting your specific fan. We've compiled our best ceiling fan troubleshooting tips to help you identify and fix the most common ceiling fan problems. Over the years, we've encountered our fair share of ceiling fan troubles, but we've learned from our experiences and want to share with you what we've discovered along the way.