Hey Emily, sorry to hear about the trouble. Let’s start by checking the basics. Have you verified that the power supply is stable and all connections to the ESL 449CT are secure? If the issue persists, try resetting the system and check for any error codes on the display. Also, make sure there are no obstructions or environmental factors affecting the device. If the problem persists, provide more details on the symptoms, and we can delve deeper into the troubleshooting process.