Rockwell Automation 1336-GM6 Enhanced DeviceNet Communications Module - Manual (Page 85)

Troubleshooting 8-3
SCANport Status LED States The LED furthest from the DeviceNet connector is the SCANport
Status LED, and is labeled “SP.” It indicates the status of the
SCANport connection, and functions as follows:
LED Viewed: If: State: Indicates Action:
SCANport
Status LED
LED is off Not powered No power Ensure that the connected SCANport device is powered
and that the product is connected to the adapter.
LED is flashing
green Online/ I/O
connecting Requesting I/O
connections or no I/O
is selected No action needed. Adapter is establishing one or more of
the I/O connections with the SCANport device.
LED is steady green I/O operational One or more
connections
established No action needed.
LED is flashing red Configuration fault SCANport problem:
No communications
seen from the
SCANport device to
request connections 1. Reseat cable properly.
2. Replace cable.
LED is steady red Link failure SCANport failure:
Poor cable connection
does not allow proper
port identification or
the SCANport device
isn’t allowing the
configured I/O
connections. 1. Check all SCANport cables and connections to the
SCANport device.
2. Ensure datalinks are not enabled on a product that
doesn’t support datalinks. Or, ensure that a particular
datalink is not already being used by another adapter on
the same SCANport device.
In either case, the adapter must be properly configured
and power cycled after the problem is fixed.
LED is steady
orange Failed SCANport
compatibility test Call Rockwell Automation support.