Communications Fault

An owner controller had established a communication link with the module, but a communication problem has occurred and the link has been terminated.
module
A device, typically an I/O device, that communicates with the controller. The controller, a particular 1756-IB16I or a PanelView are all considered modules.
To recover from this fault:
  • Check communication modules to make sure they are still connected to the network
  • Verify that the controller is still functioning
    controller
    A device that controls machines or processes elements (for example, a programmable controller or relay panel).
  • Power cycle the module (if none of the above works)
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