Loss of Sync ProLink 6, Port A or B event on PLR, Failed fiber bulkhead


  • Error stays in the original position of the display when PLR is moved to a different location or is replaced with a spare.
  • Fiber jack associated with IDM error has both LEDs lit solid whereas LEDs flash on working jack.

IDM / System Health Event(s)

  • Loss Of Sync ProLink 6 event (port A or B) on PLR.


  • Product Family: Billboards, Message Displays
  • Product: System Health, IDM
  • Component: DB-4100, PLR
  • Control System:


  • Clip holding fibers together in the fiber bulkhead is broke.


  • Replace fiber bulkhead.

KB ID: DD2957040

Fill out my online form.
DISCLAIMER: Use of this content may void the equipment warranty, please read this DISCLAIMER prior to performing any service of the equipment.