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1734-acnr controlnet adapter – Rockwell Automation 1734-XXXX POINT I/O Digital and Analog Modules and POINTBlock I/O Modules User Manual

Page 150

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Rockwell Automation Publication 1734-UM001E-EN-P - July 2013

152 Troubleshoot with the Indicators

1734-ACNR ControlNet Adapter

Module
Status

PointBus
Status

ControlNet A
Status

1734-ACNR

ControlNet B
Status

Field
Power

System
Power

A

B

0 2

System Power

Field Power

43265

Module Status

POINTBus Status

ControlNet A Status

ControlNet B Status

Indication

Probable Cause

Recommended Action

Module Status

Off

No power applied to device.

Apply power to device.

Alternating red/
green

LED power cycle test (module self-test) is present.

None.

Flashing red

Recoverable fault has occurred:

Firmware (NVS) update

MAC ID changed

CPU load exceeded

Complete firmware update.

Return module to correct node address.

Reduce CPU load.

Solid red

Unrecoverable fault has occurred:

Self test failure (checksum failure at power cycle

Ramtest failure at power cycle)

Firmware fatal error

Replace 1734-ACNR adapter.

Flashing green

Waiting for connection or ControlNet cable break.

Check cable and make connection, as needed.

Solid green

Module is operating correctly (normal mode).

None.