One or more segments are blank, partially blank, or lit all the time, Bad digit or segment

Potential Symptoms

  • One or more segments are not lighting, only partially​ light up or dim, or remain lit steadily on a digit.
  • Individual horizontal or vertical digit segments are out, blank, or lit solid.
  • Swapping the digit with another and the problem moves with the digit.


  • 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:


  • Hardware failure has occurred on the digit or segment.


  • Replace digit or segment that has a hardware failure.

Did you Know?

  • 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 resulting in the following issue - After replacing a digit panel on my gas price display it is brighter than the other digit panels, DD2517655.

KB ID: DD2800140

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