Screen dims to the 3% using a NovaStar Sender Box


  •  The brightness is dimming to the 3%


  • Product Family: Sender Box
  • Product: Nova MCTRL 600, Nova MCTRL 660, NovaStar VX4S, NovaStar brand sender box and multifunction card
  • Components:  NovaLCT-Mars
  • Control System: World Wide Gold, Limited Compliance Gold, NPP Control using transmit common/open protocol
    • This includes but not limited to DVN-4003, J Series, U Series, Q Series​​, JVX, QVN-1000, and ZPN


  • Photocell failure
  • Power supplies failure
  • Multi-function card failure


  1. Check the light sensor status. If it shows brightness detected is 0, it could be photocell failure and replace new one.
  2. Check the multi-function card , power supply and replace any components are failure.

KB ID: DD3526366

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