hello, need a help please, i have recently installed alarm system, working fine except when you enter from main door too unset, the alarm goes off immediately, there is a PIR in passage zone 2, that suppose to be inhibited zone and 1 is timed zone for door contact but that is not in use, i have reprogrammed 30 seconds entry time twice but still same problem, and also wants to know do you have to have a zone1 connected with door contact or PIR Thank.