Sure, I can help you troubleshoot the Edwards EST IO64GD. Firstly, let’s start by checking the display on the panel for any error messages or indications of faults. Additionally, ensure that all devices connected to the loop are properly installed and functioning correctly. If there are no obvious issues, we can proceed to check the wiring connections, ensuring they are secure and free from damage. It’s also worth verifying the power supply to the panel to ensure it’s stable. If the issue persists, it might be necessary to conduct a loop test to pinpoint the problematic device or section of the loop. Feel free to provide more details if you need further assistance.