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Troubleshooting, Module status led (mod led) – Rockwell Automation 1761-NET-DNI DeviceNet Interface (DNI) User Manual

Page 63

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Publication 1761-UM005B-EN-P - October 2006

Setup, Programming, and Troubleshooting 63

Troubleshooting

The DeviceNet Interface has three LED indicators.

LED Indicators

Module Status LED (MOD LED)

The module status LED provides information specific to the DNI.

LED

Color

Module Status LED

bicolor - red/green

Network Status LED

bicolor - red/green

RS-232 LED

green

Module Status LED

LED Condition

DNI State

Problem/Indication

Off

Not Powered

The device may not be powered or
firmware unable to run.

Green

(1)

(1)

Normal condition.

DNI Series A: Device
Operational

DNI Series B:

Device Scanning

The device is operating in a normal
condition.

Flashing Green

(1)

DNI Series A:

Device in Standby

DNI Series B:

Device Not Scanning

For DNI Series A only, the device may be
in Standby Mode; set to operational.

For DNI Series B, I/O Scan (Polling
Enable) may need to be set (1).

Flashing Red

Minor Fault

Recoverable fault.

DNI may need to be commissioned (the
DNI will not operate when set to the
out-of-box defaults).

The device needs commissioning due to
missing, incomplete, or incorrect
configuration.

EEPROM may be corrupt, re-commission
the DNI.

Red

Unrecoverable Fault

The device has an unrecoverable fault
which requires the power to be cycled, or
the DNI may need to replaced.

Flashing Red-Green Device Self Testing

The device is in self test and should occur
only at power up or reset.