Have a ds 7000 system, set the alarm and left the house and 2 hours later the alarm went off, question is will the alarm go off if a power outage happens, found out that the power had went out at about that time, the battery lite never went on that it was low on the console, has this happened to anybody.the console registered that #1 sensor picked up something, but it has good batteries, I have had this system for 5 yrs and have never had this happen, I did change the battery in the console anyway.