Answer five questions to help you fix the problems of your scrolling LED signs without having to call a technician and save up on technician service fees. Light-emitting diodes or LEDs are known to emit extremely bright light compared to fluorescent, HPS, or neon lighting fixtures and signs. And although they give such brightness, they use much less energy and emit less heat, which is why switching to LEDs is a great way to save power for homes and businesses. However, there might come a time that your scrolling LED sign may not perform as well as you first purchased it. If you notice that the bulbs are not as bright as they used to be or the sign itself is frequently shutting down, there must be a problem with the power supply. Before calling a technician or handyman, try troubleshooting your programmable LED sign first. In order to do that, here are questions you should ask yourself: Did I check the primary power source? Did I check the connections? Is the programmable LED...