Our technician here at firealarm.com suggests checking a few common issues with the Notifier IZ-4 panel. Firstly, ensure that the detectors are clean and free of any dust or debris that could trigger false alarms. Additionally, check the wiring connections to ensure they are secure and not damaged. Sometimes, fluctuations in power supply can also cause false alarms, so verifying the power source stability might be necessary. If the issue persists, it might be worth considering a firmware update or consulting with a certified technician for further assistance.