Daktronics

DF display, Time is off, no boot up, may be blank; Signal out wiring to J-box

Potential Symptoms

  • Time is off on Time and Temperature display.
  • Time may update once but will not successfully update repeatedly. 
  • Cannot update or communicate to the display using the DM-100 handheld.
  • Display does not show a boot-up unless DM-100 is connected to the display.
  • Secondary/mirror side of display is observed to be blank intermittently.
  • If DM-100 is connected to J-box and both sides are lit and the DM-100 is then disconnected, the secondary side of the display will go blank.
  • In single face setup, when DM-100 is disconnected, the sign goes blank.

Environment

  • Product Family: Digit and Price Displays
  • Product: DF-1010, DF-1011, DataTime, DataMaster, Time and Temperature
  • Component: DM-100 handheld, Outdoor J-box
  • Control System:

Cause

  • Signal out wiring from Host Driver Enclosure to outdoor J-box.

Resolution

  • Rewire J-box according to the chart below except leave the brown and blue wires disconnected. 
    • Note: The blue and brown wires are not needed for communication to the display. These wires were added at a later time and are used only for diagnostics within the DM-100 handheld.
       
  • Detailed information for wiring the j-box to the Enclosure Terminal Block can be found in the following Manuals/Drawings.  Please review both Drawings to determine if it matches your enclosure style.

KB ID: DD2300918

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