NI cRIO-9066 User Manual page 12

LED Pattern
Solid
Off
STATUS LED Indicators
The following table describes the STATUS LED indicators.
LED Pattern
Blinks twice and
pauses
Blinks three times
and pauses
Blinks four times
and pauses
Continuously blinks The cRIO-9066 has not booted into NI Linux Real-Time. The
On momentarily
Off
12 | ni.com | NI cRIO-9066 User Manual
Table 11. POWER LED Indicators
The cRIO-9066 is powered on.
The cRIO-9066 is powered off.
Table 12. STATUS LED Indicators
The cRIO-9066 is in safe mode. Software is not installed, which is the
factory default state, or software has been improperly installed on the
cRIO-9066.
An error can occur when an attempt to upgrade the software is
interrupted. Reinstall software on the cRIO-9066. Refer to the
Measurement & Automation Explorer (MAX) Help for information
about installing software on the cRIO-9066.
The cRIO-9066 is in user-directed safe mode, or the cRIO-9066 is in
install mode to indicate that software is currently being installed.
This pattern may also indicate that the user has forced the cRIO-9066
to boot into safe mode by pressing the reset button for longer than five
seconds or by enabling safe mode in MAX. Refer to the Measurement
& Automation Explorer (MAX) Help for information about safe mode.
The cRIO-9066 is in safe mode. The software has crashed twice
without rebooting or cycling power between crashes.
cRIO-9066 either booted into an unsupported operating system, was
interrupted during the boot process, or detected an unrecoverable
software error.
The cRIO-9066 is booting. No action required.
The cRIO-9066 is in run mode. Software is installed and the operating
system is running.
Indication
Indication