Troubleshooting Hub - IDM: Checksum Error on Module
Potential Symptoms
- Checksum Error on Module
Environment
- Product Family: Billboard, Galaxy
- Product: AF-2014, AF-3500, AF-3550, DB-1000, DB-2000, DB-3000,
- Component: Modules, ribbon cables, Multi-Line Controller (MLC)
- Control: IDM
Resolution
Remote Troubleshooting Steps
- This issue cannot be addressed remotely.
Onsite Troubleshooting Steps
- Determine Series of Display.
- If your display is an AF-2014, AF-3500, AF-3550, DB-1000, DB-2000, or DB-3000, proceed to Step 2.
- If your display is an DB-4000, DB-4100, DB-4200, DB-5000, or DB-6000, this event is typically accompanied by Loss of Sync event. Follow the troubleshooting steps described in Troubleshooting IDM: Intermittent or Persistent Loss of Sync (ProLink5, Portx), DD2041381.
- Move last working module in that row to a new location - Does the issue follow?
- Yes - Replace the module as the issue is within the module
- No - Proceed to Step 3.
- Move the first non-working module in the row to a new location. Does the issue follow the module?
- Yes - Replace the module as the issue is within the module as per Module(s) blank or partially blank, discolored, or pixelated, Failed module, DD1995355.
- No - Proceed to Step 4.
- Move the ribbon cable connecting the last working module and the first non-working module to a new location. Does the issue follow?
- Yes - Replace the ribbon cable as per Row of discolored modules, checksum error in diagnostics, failed ribbon cable, DD2033013.
- No - Investigate the equipment providing power to those two module locations.
KB ID: DD3432810
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