Famous Troubleshooting Ceiling Light Fixture 2023. There are two main reasons that the power supply is interrupted: Web if the fixture is not sitting flush with the ceiling, tighten the mounting screws.
You may also need to tighten the screws into the mounting strap to tighten the fixture so that it sits flush with the ceiling. Web to troubleshoot a faulty light fixture, first you will need to open up the switch which is turning the light on and off. Inspect your circuit breaker and look for a fuse that has visible signs of damage.
