Daktronics

FL-3000/4500 Gas Price Displays, Lag or delay when changing price, line mapping issues, Signal (line to line) cables looped

Potential Symptoms

  • Some Gas Prices are reacting late to price change. (up to 15-20 second delays)
  • Sign will not exit edit mode, decimal will remain flashing.
  • Display will blank for periods of time.
  • All drivers in the display have a cable connected on both J9 and J10 of the driver.
  • Major issues Line Mapping the displays.  Having issues getting into the Line Mapping.
    • When line mapping displays will randomly change to a different line.
    • Signs are not phasing (going dim and then bright) when trying to line map them.
    • Intermittent issues with the decimals, some will not flash some wont stop flashing.
  • Unable to communicate with one or more displays.

Environment

  • Product: Fuelight, FL-3000, FL-4500, Petroleum
  • Component: Signal (line to line) cable
  • Control System:

Cause

  • The line to line cables were looped from the last driver to the host driver.  The drivers should not make a full loop as it will cause issues with addressing and communication.

Resolution

  • First driver in line should only have connection on J9 (Output), Last driver in line should only have connection on J10 (Input).
  1. Power down the displays.
  2. Remove the line to line cable that goes from the last driver to the 1st driver.
  3. Power the displays back up.
  4. Setup line mapping on the displays.

 

Refer to the line to line cable Installation Quick Guide for important details on installing line to line cables.

KB ID: DD2438963

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