Polling Report Blocked
The “Blocked” status in your polling report indicates that your beam sensors were blocked and unable to count for the specified time period. Only Beam-Type sensors can display the “Blocked” status. This usually indicates that the beams are either, misalinged, one side is powered off, or there is an obstruction between the two sides of the beam.
For more specific troubleshooting information, please check the manual for your specific type of beam sensor: