sometimes sensors activate alram when it is disarmed Sept 16, 2019 18:55:32 GMT 8 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by bmarhiv on Sept 16, 2019 18:55:32 GMT 8 I have the same problem..It alarms in specific PIRs... 3 for me..The last thing that I didnt check is the Battery.I think that the Batteries thats the reason.I'll try it tommorow.