J or L Series Display is Intermittently Dimming

Symptoms

  • Display dimming intermittently
  • Loss of connectivity between photo sensor and multifunction card even though the multifunction card, cable and photocell have been replaced

Environment

  • NovaStar
  • Nova M3 MFN300 LED Multi-Function Card
  • Nova MTH310 Temperature Sensor
  • Gold Family Displays
    • J Series Displays
    • L Series Displays

Cause

  • Power supply not high enough to power the light sensor to transmit the signal back to the multi-function card

Resolution

  • Replace the power supply for the multi-function card

KB ID: DD3386196


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