Once working access cards now produce invalid read when presented to card reader.

Issue

Once working access cards now produce invalid read when presented to card reader.

Product Line

Andover Continuum

Environment

Card reader

Invalid read

Cause

  • Reader power supply was no longer supplying power to the reader.
  • Battery backup had been depleted and was not supplying sufficient voltage to the reader.  

Resolution

Repair or replace card reader power supply.