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Diagnostics: Loss of Sync and/or Checksum Error on a module or PLR; Failed SATA cable
Potential Symptoms
IDM may indicate Loss of Sync Errors on the modules and/or PLRs.
IDM may indicate Checksum Error on the modules and/or PLRs.
Module self-test fails when using existing cable, passes with a known good cable.
One diagnostic light on the back of the module blinks faster or out of sync with lights on surrounding modules.
May show visual issues.
Visual issue remains in same location after moving or replacing modules.
PLR test pattern, or port health test show issue location, and re-seating the cable does not resolve it.
IDM / System Health Event(s)
Strip of modules with
Communication Failure
events, and modules on both ends have
Loss of Sync
events.
Checksum Error
on a module or PLR
Environment
Product Family:
Billboards, Video, Message Displays
Product:
DB-4000, DB-4100, DB-4101, DB-4200, DB-4202, DB-5000, DB-6000, DB-6400, DVX, DVN, RTX, GP3, GP4, GS6, GT6, ECCB, DXB-0100, BLD-0100, DVX-1162
Component:
SATA cable
Control System:
Cause
Failed SATA cable.
Resolution
Replace the faulty SATA cable(s).
Related Resources
Diagnostics: Loss of Sync event on module
Diagnostics: Loss of Sync ProLink5, Port A or B
Diagnostics: Loss of Sync ProLink 6, Port A or B event on PLR
Diagnostics: PLR Loss of Sync Port B on GS6
Diagnostics: Loss of Sync (ProLink 6, Port X) event on PLR, Loose or Failed fiber
Diagnostics: Loss of Sync and/or Checksum Error on a module or PLR; Failed SATA cable
Loss of Sync (ProLink 6, Port X) event on PLR in IDM, Failed fiber bulkhead
Loss Of Sync ProLink 6 PLR, Power cycle PLR
KB ID: DD2050555
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: Use of this content may void the equipment warranty, please read this
DISCLAIMER
prior to performing any service of the equipment.
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