Technical data

Fabric OS Administrator’s Guide 10-13
Publication Number: 53-0000518-09
Correcting I2C Bus Errors
10
To check fan components
1. Log in to the switch as user.
2. Enter the fanShow command.
3. Check the fan status and speed output.
If any of the fan speeds display abnormal RPMs, replace the fan FRU.
To check the switch temperature
1. Log in to the switch as user.
2. Enter the tempShow command.
3. Check the temperature output.
Look for indications of high or low temperatures.
To check the power supply
1. Log in to the switch as user.
2. Enter the psShow command.
3. Check the power supply status. Refer to the appropriate hardware reference manual for details
regarding the power supply status.
If any of the power supplies show a status other than OK, consider replacing the power supply as
soon as possible.
To check the temperature, fan, and power supply
1. Log in to the switch as user.
2. Enter the sensorShow command. Refer to the Fabric OS Command Reference Manual for details
regarding the sensor numbers.
3. Check the temperature output.
Look for indications of high or low temperatures.
4. Check the fan speed output.
If any of the fan speeds display abnormal RPMs, replace the fan FRU.
5. Check the power supply status.
If any of the power supplies show a status other than OK, consider replacing the power supply as
soon as possible.