Module status led – National Instruments Fieldbus User Manual
Page 24
Appendix B
Troubleshooting
B-4
ni.com
Module STATUS LED
The module STATUS LED is located on the front of the linking device,
between the two Fieldbus (H1 Network) connectors, as shown in
Figure B-1. It indicates whether the linking device is powered, configured,
and operating properly. Table B-2 shows how to interpret the STATUS
LED states.
Table B-1. Ethernet STATUS LED Flashes and Corresponding Error Conditions
Number
of Flashes
Error Condition
0 (stays lit)
The FBUS-HSE/H1 LD has not been configured with a
proper IP address.
1
The FBUS-HSE/H1 LD is in Reset mode. Switch the
FBUS-HSE/H1 LD back to Normal mode by powering
down the device and sliding the switch underneath the
module.
2
The FBUS-HSE/H1 LD has detected an error in its
firmware. This usually occurs when an attempt to
upgrade the firmware is interrupted. Repeat the
firmware upgrade process.
3
The FBUS-HSE/H1 LD cannot communicate with the
NIFBUS. Be sure that the NIFBUS is running on the
computer that you specified when you configured the
FBUS-HSE/H1 LD.
4 (or more)
The FBUS-HSE/H1 LD has detected an unrecoverable
error. Contact National Instruments for more
information of finding the cause of this error.
Table B-2. Interpretation of
FBUS-HSE/H1 LD
Module STATUS LED
LED State
Meaning
Off
No power to linking device
Flashing red
and green
The FBUS-HSE/H1 LD self-testing
Flashing green
Standby state
Solid green
Operational state