What to do if Radio Shack 49-2551A alarm trips when I enter the house?
- UudixonAug 21, 2025If the alarm trips when you enter the house before you have time to disarm it, arm the system in the delay mode. Set the DELAY switch on the entry door sensor to MAX. Set the ENTRY switch on the handheld remote control to DELAY, and then press ARM HOME or ARM AWAY on the handheld remote control. 
