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  5. F28 V2 in MSFS2020 unable to power UNS-1

F28 V2 in MSFS2020 unable to power UNS-1

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  • V Offline
    V Offline
    Vectors-to-Final
    wrote on last edited by
    #1

    MSFS2020 instance of F28 V2 in Turnaround Mode - UNS-1 is not powering up when PWR DIM key pressed.

    MSFS2024 instance had no issues, UNS-1 powered.

    Any suggestions?

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    • MarkM Online
      MarkM Online
      Mark
      JF Staff
      wrote on last edited by
      #2

      This isn't something we are able to replicate on our side. The UNS-1 is powered by DC BUS 1 and requires the MASTER RADIO 1 switch to be set to ON on the aft centre control. Could you double-check that both MASTER RADIO switches are in the ON position? (they may be forced to OFF if there is a conflicting control assignment)

      Note that once the turnaround state is selected and confirmed on the EFB, it will take 10-20 seconds for the GPU to startup and start supplying electrical power to the aircraft.

      Mark - Just Flight

      Just Flight Development Assistant

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      • V Offline
        V Offline
        Vectors-to-Final
        wrote on last edited by
        #3

        Mark, thank you for the response. I'm reinstalling the 2020 version, and will check as you have suggested.

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        • V Offline
          V Offline
          Vectors-to-Final
          wrote on last edited by
          #4

          I think your suggestion resolved the issue. I have checked all electrical systems, waited a while, and the UNS powered. I'm not really clear on what made the difference, but the system is running. Thank you for your response.

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