Daktronics

Diagnostic Event: Loss of Sync and/or Checksum Error on a module or PLR; Failed SATA cable

Potential Symptoms

  • Diagnostics may indicate Loss of Sync Errors on the modules and/or PLRs.
  • Diagnostics 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.
    943912_3_6-6-2017 12-43-08 PM.jpg

Diagnostic 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: 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

KB ID: DD2050555

DISCLAIMER: Use of this content may void the equipment warranty, please read the disclaimer prior to performing any service of the equipment.

DAKTRONICS DOES NOT PROMISE THAT THE CONTENT PROVIDED HEREIN IS ERROR-FREE OR THAT ANY DEFECTS WILL BE CORRECTED, OR THAT YOUR USE OF THE CONTENT WILL PROVIDE SPECIFIC RESULTS. THE CONTENT IS DELIVERED ON AN "AS-IS" AND "AS-AVAILABLE" BASIS. ALL INFORMATION PROVIDED IN THIS ARTICLE IS SUBJECT TO CHANGE WITHOUT NOTICE. DAKTRONICS DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING ANY WARRANTIES OF ACCURACY, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. DAKTRONICS DISCLAIMS ANY AND ALL LIABILITY FOR THE ACTS, OMISSIONS AND CONDUCT OF YOU OR ANY THIRD PARTIES IN CONNECTION WITH OR RELATED TO YOUR USE OF THE CONTENT. ADJUSTMENT, REPAIR, OR SERVICE OF THE EQUIPMENT BY ANYONE OTHER THAN DAKTRONICS OR ITS AUTHORIZED REPAIR AGENTS MAY VOID THE EQUIPMENT WARRANTY. YOU ASSUME TOTAL RESPONSIBILITY FOR YOUR USE OF THE CONTENT AND ANY LINKED CONTENT. YOUR SOLE REMEDY AGAINST DAKTRONICS FOR DISSATISFACTION WITH THE CONTENT IS TO STOP USING THE CONTENT. THIS LIMITATION OF RELIEF IS A PART OF THE BARGAIN BETWEEN THE PARTIES.

The above disclaimer applies to any property damage, equipment failure, liability, infringement, or personal injury claim arising out of or in any way related to your use or application of the content, whether such claim is for breach of contract, tort, negligence or any other cause of action.