Troubleshooting
Rev. 1.7
51Mellanox Technologies
5 Troubleshooting
5.1 Troubleshooting Instructions
Table 20 - Troubleshooting
Problem
Indicator
Symptoms Corrective Measures
LEDs System Status LED is
blinking for more than 5
minutes
This state means that the MLNX-OS software did
not boot properly and only firmware is running.
To overcome it, connect to the system via the con-
sole port, and check the software status. You might
need to contact an FAE if the MLNX-OS software
did not load properly
System Status LED is
Red
This state can indicate a number of problems:
• Critical system fault (CPU error, bad firmware)
• Over Temperature
To overcome it:
• Check Environmental conditions (room tem-
perature)
Fan Status LED is Red This state is indicative of a problem with the FAN.
• Check that the FAN is fully inserted and noth-
ing blocks the airflow.
• Replace the FAN FRU if needed.
Front PSU Status LED is
Red
This state is indicative of a problem with the PSU.
• Check/replace the power cable.
• Replace the PSU if needed.
The activity LED does
not light up (Infini
-
Band):
Make sure that there is an SM running in the fab-
ric.
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