Chapter 6 Troubleshooting - Mellanox Technologies InfiniScale MIS5022Q-1BRR User Manual

InfiniScale® IV 8-Port QSFP 40 Gb/s InfiniBand Switch User Manual
6 Troubleshooting
As soon as a switch is plugged in, continuously monitor the status light. Make sure that it turns
green within 30 seconds of booting up.
Status LED and Fan LED
If the fan LED is red make sure that the ambient temperature is within the range specified in the
specification section of the appendix.
If any of the LEDs are red after 30 seconds, unplug the switch and call your Mellanox representa-
tive.
Power supply unit:
1. Check that the power cable has a voltage within the range of 100 - 240 volts AC.
2. Remove and reinstall the power cable.
The green power LED for the fans does not come on:
.
Caution: Do not run the switch if the System Status LED for the Fans is red or off!
The connector LED for the port connector does not come on:
1. Check that both ends of the cable are connected.
2. Check that the locks on the ends are secured.
3. Make sure that the latest firmware version is installed on both the cards and the switch.
4. If media adapters are used, check that the all connections are good, tight, and secure.
The connector LED is flashing orange:
1. Check that the Subnet Manager has been started.
2. Check the cable is connected properly at both ends.
3. Check that the cable is good.
4. Check that the connections are good (no cable weight on the connector, no twists in the cable
at the connector, etc.).
5. Check the port connectors at both ends.
The switch is off:
1. Unplug the switch.
2. Wait 5 minutes.
3. Plug in the switch.
4. If the switch does not come on, check the power supply.
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