Rockwell Automation 1769-ADN Compact I/O 1769-ADN DeviceNet Adapter - Manual (Page 111)

1 Publication 1769-UM001B-EN-P - October 2002
Chapter
5
Troubleshooting with the Indicators
Read this chapter to familiarize yourself with the diagnostic indicators
and their meanings.
Diagnostic Indicators
LED Indication Meaning
Module Status (MS)
OFF No power
Flashing GRN/OFF On-line but configuration missing
Solid GRN Device operational
Flashing RED/OFF Recoverable fault
• configuration incorrect
• duplicate mac id (node address) check failed
• node address switch changed
• main program checksum failed
• configured I/O size too large
Solid RED Unrecoverable fault
• terminator/end cap missing
• connector/cable between modules missing/not connected
• bad configuration memory
• watchdog tripped
Comm Adapter
MS
IO
NS
DIAG I/O Status Indicator
42128
Module Status Indicator
Diagnostic Status Indicator
Network Status Indicator