Diagnostics: Hardware Changed

Potential Symptoms

  • A hardware change itself is not indicative of problems with content playback, however, it is an indication that the system has recently been serviced.

IDM / System Health Event(s)

  • MOD - Hardware Changed Event or Alert in Diagnostics
  • PLR- Hardware Changed Event or Alert in Diagnostics


  • Product Family:
  • Product: IDM / System Health
  • Component: Module, PLR
  • Control System: 


  • The PLR may not function correctly if its input voltages deviate from their acceptable limits, which may prevent video from being routed correctly to display modules.
  • Module failure.


  1. Confirm that the correct system device was serviced on-site.
  2. Use the Firmware view of the Module Map to confirm that the changed device has all correct firmware revisions.

Related Resources

KB ID: DD4303502

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