AF-3500 with 3.10.0 - 3.10.2 firmware, Display is Dim; Firmware issue

​Potential Symptoms

  • Display is dim during the daytime.
    • Both sides of a primary mirror display setup are dim even though the light sensor is reading above 400.
  • When Re-booting the display, the boot sequence will be bright but will dim down to minimum brightness.
  • Display will remain dim on Manual 100%. (May brighten for 10 sec when switched to Manual 100% but changes back to a dim level of 6.)
  • Brightness in Venus 1500 v4 reads "Automatic [1] - 6" or "Manual [#] - 6" or something similar indicating a minimum dimming value.

Environment

  • Product Family: Message Displays
  • Product: AF-3500, AF-3550
  • Component: M3 Controller (Firmware DD1425608.EXE version 3.8.0, 3.10.0, 3.10.1, & 3.10.2 firmware)
  • Control System: Venus 1500 v4, M2Config Utility

Cause

  • The firmware versions are initiating thermal protection mode when it should not be initiated. 

Resolution

KB ID: DD2027684


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