When both the ceiling fan and light stop working at the same time, the problem is almost always related to power supply rather than the fan or light components themselves. The most common cause is a tripped circuit breaker or a blown fuse in your electrical panel that controls that room. Check your breaker box and reset any tripped breaker. Second, check the wall switch that controls the fan and light. The switch itself may have failed internally, or the wire connection behind the switch may have come loose. Turn off the breaker, remove the switch plate, and check for loose wires or burn marks. Third, check for a loose connection in the ceiling canopy. Over time, vibration from the fan can loosen wire nuts connecting the house wiring to the fan wiring, causing both to lose power. Fourth, many fans have a built-in current limiter or fuse inside the housing that can blow if bulbs were over wattage. If your fan has a remote receiver in the canopy, the receiver module may have failed, which would cut power to both fan and light. Also check if a GFCI outlet in the room or nearby has tripped, as some rooms are wired through GFCI protection. If you have a dual switch setup, one switch for fan and one for light, and both fail, it strongly points to a breaker or main feed issue. If you are not comfortable working with electrical wiring, call a licensed electrician.
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