What does the blue LED on my Keypad mean? Follow The LED will flash blue when the Hub has trouble arming or disarming or if there are any trouble conditions on the system. Facebook Twitter LinkedIn Comments 0 comments Article is closed for comments. Articles in this section What do I do if my Keypad status says offline or malfunction? What do I do if the Keypad status says tamper? What kind of batteries does my Keypad use? How do I turn on or off the LED for my Keypad? How big is the Keypad? What does the blue LED on my Keypad mean?