Jade that's a solid point about dry runs. I started doing something similar after a system I set up kept having issues. Walking through each zone manually before the final test catches wiring mistakes you just can't see on a monitor. Derek Ramirez is right that stuff rarely works perfect first try, but this method gets you way closer. It adds maybe twenty minutes up front but saves hours of call backs. My false alarms dropped by like eighty percent after I made it a rule.