| Problem | Likely Solution | |---------|----------------| | Keypad shows "Low Battery" | Replace battery in the specific sensor (not the keypad). | | Siren doesn't sound during test | Check if system is disarmed or if “Silent” mode is on via app. | | App says "No connection" | Ensure main panel has both internet and cellular backup. | | Motion sensor false alarms | Make sure no pets >25kg, heaters, or moving curtains are in view. |