Table 17. STATUS LED Indicators
LED
Color
LED Pattern
Indication
Yellow
Blinks twice and
pauses
The cRIO-9033 is in safe mode. Software is not installed,
which is the factory default state, or software has been
improperly installed on the cRIO-9033.
An error can occur when an attempt to upgrade the software
is interrupted. Reinstall software on the cRIO-9033. Refer
to the
Measurement & Automation Explorer (MAX) Help
for
information about installing software on the cRIO-9033.
Blinks three times
and pauses
The cRIO-9033 is in user-directed safe mode, or the
cRIO-9033 is in install mode to indicate that software is
currently being installed.
This pattern may also indicate that the user has forced the
cRIO-9033 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.
Blinks four times
and pauses
The cRIO-9033 is in safe mode. The software has crashed
twice without rebooting or cycling power between crashes.
Continuously
blinks
The cRIO-9033 has not booted into NI Linux Real-Time.
The cRIO-9033 either booted into an unsupported operating
system, was interrupted during the boot process, or detected
an unrecoverable software error.
On momentarily
The cRIO-9033 is booting. No action required.
Red
Continuously
blinks
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 cycle power
the cRIO-9033. If the problem persists, contact NI.
—
Off
The cRIO-9033 is in run mode. Software is installed and the
operating system is running.
User LEDs
You can define the USER1 and USER FPGA1 LEDs to meet the needs of your application.
The following table lists the USER1 and USER FPGA1 LED indicators.
18
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NI cRIO-9033 User Manual
