LEDs are out on Gas Price, Time & Temp, or DataMaster display; LED failure

​Potential Symptoms

  • Individual LEDs are out on digit.
  • Rows or partial rows of LEDs are out on individual segments.
  • Swapping the digit with another digit and the problem moves with the digit.
  • Individual​ random LED's are dim throughout digit.​
  • ​Digit is flickering.

Environment 

  • Product Family: Digit and Price Displays
  • Product:
    • Fuelight
      • FL-3000, FL-4500, FL-2000, FL-2100, FL-2109, FL-2300, FL-4000, DF-1020, DF-2000, DF-2009, DF-2100, DF-2109, DF-2300, DF-4000
      • Gas Price or Petroleum Price Display, FL or DF digit product​
    • DataTime
      • DF-1010, DF-1011, DF-1012
      • Time and Temperature Displays
    • DataMaster
      • DF-1020, DF-1030, DF-1040, DF-1060, DF-1071, DF-1076, DF-1079
      • Gas Price, Rate Display, Lottery Display, Event Counter Display
  • Component: LED digit, segment, colon, indicator, decimal point
  • Control System:

Cause

  • LED failure on the digit or segment.

Resolution

  • Replace digit or segment that has LED outage.
    • LED displays have a current expected lifetime of 100,000 hours (about 10 years), after which they will be half as bright as when the display shipped. This is not a failure of the display but rather the natural properties of an LED.
    • Replacement of multiple digits or segments within the same display may be desired, as the brightness level of one or two replacement digits may give the display an uneven look.

KB ID: DD2014509


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