Specifications
NI cRIO-9030 Getting Started Guide | © National Instruments | 15
STATUS LED
The STATUS LED is off during normal operation. The cRIO-9030 indicates specific error 
conditions by flashing the STATUS LED a certain number of times every few seconds, as shown 
in Table 2.
Note Refer to the NI cRIO-9030 Operating Instructions and Specifications for a 
complete explanation of the front panel LEDs.
Table 2. STATUS LED Indications
LED State
LED 
Color
Indication
2 flashes every 
few seconds
Yell ow There is no software installed, which is the out-of-box 
state, or the controller has detected an error in its software.
An error can occur when an attempt to upgrade the 
software is interrupted. Refer to the MAX Help for 
information about reinstalling software on the controller.
3 flashes every 
few seconds
The controller is in safe mode. Refer to the MAX Help for 
information about safe mode.
4 flashes every 
few seconds
The software has crashed twice without rebooting or 
cycling power between crashes. This usually occurs when 
the controller runs out of memory. Review your RT VI and 
check the memory usage. Modify the VI as necessary to 
solve the memory usage issue.
Continuously 
flashing
The controller has not booted into NI Linux Real-Time. 
The controller either booted into an unsupported operating 
system, was interrupted during the boot process, or 
detected an unrecoverable software error.
Solid The controller is booting up.
Continuously 
flashing 
Red This indicates a hardware error. An internal power supply 
has failed. Check front-panel I/O and C Series module 
connections for shorts. Remove any shorts and power 
cycle the controller. If the problem persists, contact 
National Instruments.
Off — Normal operation.










