Troubleshooting
Rev 2.2
83Mellanox Technologies
5 Troubleshooting
5.1 Troubleshooting Instructions
Table 24 - Troubleshooting
Problem Indicator Symptoms Cause and Solution
LEDs System Status LED is
blinking for more than
5 minutes
Cause:
Onyx (MLNX-OS) software did not boot properly and
only firmware is running.
Solution: Connect to the system via the console port,
and check the software status. You might need to con
-
tact an FAE if the Onyx (MLNX-OS) software did not
load properly
System Status LED is
red
Cause:
• Critical system fault (CPU error, bad firmware)
• Over Temperature
Solution:
• Check environmental conditions (room tempera-
ture)
Fan Status LED is red Cause:
Possible fan issue
Solution:
• Check that the FAN is fully inserted and nothing
blocks the airflow
• Replace the FAN FRU if needed (possible in
SN2700, SN2740 and SN2410 only)
PSU Status LED is red Cause:
Possible PSU issue
Solution:.
• Check/replace the power cable
• Replace the PSU if needed (possible in SN2700,
SN2740 and SN2410 only)