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5. Troubleshooting
A Windows Help file (.chm) for the DI Driver System is provided on the cRIO controller along with the DI Driver
System software image. The help file is downloaded from the controller to the computer along with the user interface
windows when making the initial system connection. Each window within the user interface contains a Help “?”
button in the bottom right corner. Pressing this button will open the Help file to the associated help topic page.
Frequently Asked Questions (FAQs)
Q: I powered the DI Driver System controller and the USER1 and USER FPGA LEDs are not both blinking
after 1 minute. What do I do?
A: Is the USER1 LED blinking 3 times followed by a long steady ON? If so, there is an activation error. Please
contact the National Instruments support team.
If the USER1 and USER FPGA LEDs are not blinking at all, please try pressing and immediately releasing the
controller reset button. Wait 1 minute for the LEDs to start blinking. If they do not start blinking, refer to the section
Restoring A Backup Image To The DI Driver System Controller . If a system backup image is not available, please
contact the National Instruments support team.
Verify power supply voltage and current specifications .
Q: I cannot connect to the DI Driver System user interface via SCM and I do not know the system controller
IP address. What do I do?
A: Refer to the section Manually Resetting The Controller Network Interface to DHCP to troubleshoot and establish
a network connection to the controller. If a connection still cannot be established, please contact the National
Instruments support team or visit www.ni.com/getting-started/ .
Q: I got the following error message on the XNET CAN Setup Window upon enabling the CAN_Run button:
"NI-XNET: (Hex 0xBFF63020) An invalid reference has been passed to a NI-XNET session function. Solution:
Only pass reference retrieved from Create Session, or from an IO name of a session in LabVIEW project.".
What do I do?
A: Follow these debugging steps:
a) Verify that the XNET module is appropriately powered on the Vsup pin (pin 9) and COM pin (either pin 3 or
6).
b) Disable the CAN_Run button. Ensure that the CAN Interface and deployed databases, clusters and
ECUs all show up on the XNET CAN Setup Window. Click the Refresh Database button and ensure that the
appropriate database, cluster(s) and ECU(s) are selected. Click the CAN_Run button again. If the error still
persists, follow step c)
c) Download and install NI-RIO 14.0: http://www.ni.com/download/ni-rio-14.0.1/4862/en/. This should install
NI MAX (Measurement and Automation Explorer) if you don't already have it installed.
Open up NI MAX, then under remote systems, find your controller and expand the tree. Under Devices and
Interfaces, you should see NI 9862 "CAN1". There should be a warning mark next to it which indicates a
incompatibility issue between the XNET CAN module and the controller. Click on the NI 9862 "CAN1" device
and push Update Firmware on the right window and click OK. You don't have to stop the user interface or the
application that is running on the controller while the firmware is updating. Click the CAN_Run button again
on the XNET CAN Setup Window. If the error still persists, please contact the National Instruments support
team.