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NETWORK VP ISSUE: 8 consecutive stations not turning on

To power down a Network VP system, flip the circuit breaker on the power supply inside the cabinet to the "Off" position.


  • Determine which 8-Station Output Board is linked to the 8 stations that are not coming on.
  • Check the 24V AC indicator light on the corresponding 8-Station Output Board. See Picture 1 below.
  • If this light is off, but the 24V AC indicator light on rest of the 8-Station Output Boards in the cabinet are on, then the 3-amp blade fuse for this board might be blown, or the fuse connector on the 24V AC Connector Group could be loose due to a cracked solder joint.
  • If the light is on, check the board’s station indicator lights. See Picture 2 below.
  • If the lights are on, the 8-Station Output Board is likely faulty and must be repaired. Move the 8-Station Output Board to a known functioning satellite to test that this is the case.
  • If the station indicator lights off, move components from this satellite, one at a time, to a known functioning satellite in order to pinpoint which component is faulty. Once the faulty component is found, it must be repaired. Begin with the 8-Station Output Board, and if necessary continue, in order, with the following:
    • The Power-to-Output Cable that connects the Power Distribution Board to the 8-Station Output Board in question
    • The Faceplate
    • The 40-Pin Cable that connects the Faceplate to the Power Distribution Board
    • The Power Distribution Board
  • If the RX light comes on often, but the TX light never does…
 

Picture 1

Station indicator lights