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  Drives Service & Support > 22-COMM-D > LED Blink Codes

Number
Status Indicator
Description
1
DSI Connection Status
2
Adapter Status
3

NET A

DeviceNet Status
4
Not Used for DeviceNet

PORT Status Indicator
Status Cause Corrective Action
Off The adapter is not powered or is not connected properly to the drive. • Securely connect the adapter to the drive using the ribbon cable.
• Apply power to the drive.
Flashing
Red
The adapter is not receiving communication from the drive, connected drive is faulted, or a drive is missing in Multi-Drive mode. • Clear any drive faults.
• Verify that cables are securely connected.
• Cycle power to the drive.
Solid
Red

The drive has refused an I/O connection from the adapter.

Another DSI peripheral is using the same DSI port as the adapter.

Important: Cycle power to the product after making the following correction:
Verify that all DSI cables are securely
connected and not damaged. Replace cables if necessary.
Flashing
Green
The adapter is establishing an I/O connection to the drive or [DSI I/O Config] is configured for all I/O disabled. • No Action. This status indicator will turn solid green or red.
• Verify Parameter 15, [DSI I/O Config] settings.
• Normal behavior if no DSI I/O is enabled.
Solid
Green
The adapter is properly connected and is
communicating with the drive.
No Action.
Orange Daisy-chained drives in Multi-Drive mode are not all Allen-Bradley drives
(PowerFlex 4/40).
Use Allen-Bradley PowerFlex 4/40’s for the daisy-chained drives.

MOD Status Indicator

Status Cause Corrective Action
Off The adapter is not powered. • Securely connect the adapter to the drive using the ribbon cable.
• Apply power to the drive.
Flashing
Red
The adapter 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 adapter with the latest firmware release.
• For Multi-Drive mode, determine which drive is missing or faulted. Check cabling and configuration settings (see Configuring
the RS-485 Network section in Chapter 7 of the user manual).
Solid
Red
The adapter has failed the hardware test. • Cycle power to the drive.
• Replace the adapter.
Flashing
Green
The adapter 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 adapter.
• Configure the adapter for the program in the controller.
• Normal behavior if no DSI I/O is enabled.
Solid
Green
The adapter is operational and transferring I/O data. No Action.

 

Net A Status Indicator

Status Cause Corrective Action
Off The adapter and/or network is not powered or adapter is not connected properly to the network. • Securely connect the adapter to the drive using the Internal Interface cable and to the network using a DeviceNet cable.
• Correctly connect the DeviceNet cable to the DeviceNet plug.
• Apply power to the drive and network.
Flashing
Red
A DeviceNet I/O connection has timed out. • Place the scanner in RUN mode, or apply power to the peer device that will send I/O.
• Check the amount of traffic on the network.
Solid
Red
Failed duplicate node detection test or bus off condition exists. • Configure the adapter to use a unique node address on the DeviceNet network.
• Configure the adapter to use the correct network data rate.
• Ensure network has correct media installed.
Flashing
Green
The adapter is properly connected but is not communicating with any devices on the network. • Place the controller in RUN mode, or apply power to the peer device that will send I/O.
• Program a controller or peer device to recognize and transmit I/O to the adapter.
• Configure the adapter for the program in the controller or the I/O from the peer device.
Solid
Green
The adapter is properly connected and communicating on the network. No action required.

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Net B Status Indicator

Not Used in this configuration.