Extreme Networks ExtremeSwitching VDX 6740, Hardware Installation Manual

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12. Plug the power cord from the AC power source into the power supply to power on the unit.
The power supply will immediately attempt to power up.
CAUTION
If you observe that the switch has powered down approximately two minutes after a power supply replacement, it
is likely because the new power supply has a mismatched airflow. Check your console for error messages.
13. Verify that the LED on the new power supply displays steady green while the device is operating.
If the LED is not steady green, ensure that the power supply is securely installed and seated properly.
You can enter one of the following commands at the command line prompt to display the power supply status:
•
show chassis
• show environment power
The power supply status can also be viewed using the Web Tools application.
Determining the need to replace a fan assembly
Use one of the following methods to determine the status of the fan assemblies:
• Check the fan status LED on the face of the fan. Refer to "Interpreting LED activity" for details on LED normal operation and
error conditions.
• Enter one of the following commands in the command line interface to display the fan status:
–
show chassis
– show environment fan
Time and items required to replace a fan assembly
Replacing a fan assembly should take less than two minutes.
You need the following items to replace a fan assembly:
• A new fan assembly (must have the same part number and the same airflow label as the fan being replaced)
• A #1 Phillips screwdriver
Replacing a fan assembly
Complete the following steps to replace a fan assembly.
1. Using the Phillips screwdriver, unscrew the captive screw on the fan assembly.
2. Ensure that the replacement fan assembly has the same part number and airflow label as the fan assembly being replaced.
3. Remove the fan assembly from the chassis by pulling the handle on the fan assembly out and away from the chassis.
FRU replacement in the VDX 6740T
ExtremeSwitching VDX 6740 Hardware Installation Guide
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