Appendix A
Troubleshooting
©
National Instruments Corporation
A-5
NI CVS-1450 Series User Manual
POWER OK LED Is Not Lit When the CVS-1450 Device
is Powered On
If the power supply is properly connected to the CVS-1450 device, but the
POWER OK
LED does not light up, check that the power supply is
24 VDC ±10% and within the specifications outlined in Appendix B,
. Using a power supply that is not within these specifications
might result in an unresponsive or unstable system and could damage the
CVS-1450 device.
Table A-1.
STATUS LED Flashes and Corresponding Error Conditions
Number
of Flashes
Error Condition
0 (stays lit)
The CVS-1450 device has detected an internal error.
Contact National Instruments for assistance.
1
The CVS-1450 device is unconfigured.
2
The CVS-1450 device has detected an error in its
software. This usually occurs when an attempt to
upgrade the firmware is interrupted. Repeat the
firmware upgrade process.
3
The CVS-1450 device is in Safe mode.
4 (or more)
The CVS-1450 device has detected an unrecoverable
error. Contact National Instruments for assistance.
