Hardware reference guide

Networking
244
35013379 11/2011
The following table shows the RIO Drop module LED descriptions.
LED Error Codes
Blinking Com Act LED error codes for the RIO Drop module table show the number
of times the Com Act LED on the RIO Drop module blinks for each type of error and
the crash codes for each (all codes are in hex).
LED Descriptions
LEDS Color Indication when On
Ready Green The module has passed power-up diagnostics.
Com Act Green The module is communicating on the RIO network.
Fault Red Unable to communicate with one or more I/O modules.
Error A Red Communication error on Channel A.
Error B Red Communication error on Channel B (dual cable only).
LED Error Codes
Number of Blinks Code Description of Error
3 6701H asic test failure
4 6601H power down interrupt
6602H 82588 lan chip test error
6603H receive abort timeout
6604H transmission loop timeout
6605H transmission dma error
6606H cable a initialization error
6607H cable a dma xfer error
6608H cable b dma xfer error
6609H cable a dumped data error
660AH cable a DRQ line hung
660BH cable b DRQ line hung
660CH cable a or b DRQ hung
660DH power-up lan controller error
5 6501H ram address test error
6 6401H ram data test error
7 6301H prom checksum error