• Ensure the Magnet was properly installed in the correct location.  When the Sensor detects the magnet being properly installed it flashes the green POWER LED 10 times.  This is your indication that the Sensor is armed.  Always ensure the sensor is properly armed before leaving the Sensor.
  • Ensure that you are properly paired to the unit you are testing.  Units must be paired together to work.
  • Ensure that dip switch MAGNET plunger is towards the ON position (towards the battery holder).