my first answer here is open the box and check fuses go outside and look for the bell box make sure it is lighting up and just to be sure do a test on it 1234 prog o5 1 IS BELL SO SOUND 2. IS THE STROBE THE FLASHER if they working thats good then just refer to the panel for fuses if all ok maybe new sensors get back to this website if you need anymore help
death
October 2009