Intermittent false alarms with the Apollo SA5800-450APO could be caused by a few different factors. Firstly, check for any environmental factors such as dust or debris that may be interfering with the sensors. Additionally, ensure that all wiring connections are secure and free from damage. It’s also worth examining the power supply and battery backup to ensure they’re functioning correctly. If the issue persists, it may be necessary to conduct a more thorough inspection or consult with a professional technician for further diagnosis and troubleshooting.