Unable to change dimming level to manual on VFC

Potential Symptoms

  • The dimming level reports a photocell value but says is limited by others after.
  • The VFC will not respond to you changing the dimming level using the manual function.


  • Product Family: Transportation
  • Product: VFC
  • Component:
  • Control System:


  • Time on the DMP and or the VIP is incorrect


  • Synchronize the time on the VFC to be correct.

KB ID: DD3950712

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