Sure! When troubleshooting your Honeywell HPF-PS6E panel, start by checking the power supply unit (PSU) connections. Ensure all cables are securely connected and there are no loose connections or damaged wires. Additionally, verify that the input power source is functioning correctly. If the panel still isn’t working, check for any fault indicators or error messages on the display panel. These can provide valuable clues about the nature of the problem. If you’re still unable to identify the issue, it might be best to contact a certified technician for further assistance.