1761-6.5
6-10
Setup, Programming, and Troubleshootin g
Troubleshooting LED Indicators
The DeviceNet Interface has three LED indicators:
MOD LED (Module Status 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
LED Condition DNI State Problem/Indicat ion
Off Not Powered The device may not be powered or
firmware unable to run.
Green
(1)
(1) Normal c ondition.
•
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 Aonly, 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 only
occur at power up or re set.
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