How to Figure Out Problems With Ceiling Lights | Home Dec 17, 2018A faulty or nonworking ceiling light can pose a serious fire hazard to your home. When you have replaced the bulb and are still left in the dark, you will need to locate the source of the problem. Battery - Fuse Box - LED ceiling lights - Starcraft RV wwwcraftowners››Starcraft Launch Hardside and HybridsNov 01, 20183. Next I inspected the fuse box and saw there was a red warning light next to the 30amp main fuse. I replaced the fuse. The red light went out but still no lights. 4. The fuse box's the first 15amp fuse was labeled "ceiling lights" so I also replaced that one but still no lights. 5.