Rockwell Automation DeviceNet Communications Module - Manual (Page 99)

Troubleshooting the DeviceNet Module and Network 9-3
9.1.2 MS Status Indicator
Table 9.2 – MS Status Indicator: State Definitions
Status Cause Corrective Action
Off The module is not
powered. • Securely connect the module to the
drive using the ribbon cable.
• Apply power to the drive.
Flashing
Red The module has failed the
firmware test, connected
drive is faulted, or a drive
is missing in Multi-Drive
mode. • Clear faults in the drive.
• Cycle power to the drive.
• If cycling power does not correct the
problem, the parameter settings may
have been corrupted. Reset defaults
and reconfigure the module.
• If resetting defaults does not correct
the problem, flash the module with the
latest firmware release.
• For Multi-Drive mode, determine
which drive is missing or faulted.
Check cabling and configuration
settings (see chapter 8).
Solid
Red The module has failed the
hardware test. • Cycle power to the drive.
• Replace the module.
Flashing
Green The module is operational,
but is not transferring I/O
data. • Place the scanner in RUN mode.
• Program the controller to recognize
and transmit I/O to the module.
• Configure the module for the program
in the controller.
• Normal behavior if no MDI I/O is
enabled.
Solid
Green The module is operational
and transferring I/O data. No action.