CAUTION
Disassembling any part of the power supply and fan assembly voids the warranty and regulatory certifications. There are no
user-serviceable parts inside the power supply and fan assembly.
Refer to details on the meaning of LED patterns for the VDX 6740 power supply and fan assemblies in
verify operation and determine if replacement is necessary.
Determining the need to replace an assembly
Use one of the following methods to determine the status of the assemblies:
•
Check the power supply and fan assembly status LED.
•
Enter one of the following commands in the command line interface to display power supply status:
–
show chassis
–
show environment power
–
show environment fan
•
Check the power supply status in the Web Tools application.
Time and items required
Replacing a combined power supply and fan assembly should take less than two minutes.
You need the following items to replace a power supply and fan assembly in a VDX 6740-:
•
A new power supply and fan assembly (must have the same part number and the same airflow label as the power supply and
fan assembly being replaced)
•
A #1 Phillips screwdriver
Replacing the power supply and fan assembly
Remove a failed combined power supply and fan assembly, install a new combined FRU, and verify the replacement was successful.
CAUTION
The power supply switch must be in the off position when you insert the power supply into the chassis. Damage to the
switch can result if a live power supply is installed.
1. Flip the power switch to the off position (O).
2. Unplug the power cord from the combined power supply and fan assembly you are replacing.
3. Unscrew the captive screw on the power supply and fan assembly you are replacing using the Phillips screwdriver.
4. Remove the power supply and fan assembly from the chassis by pulling the handle out and away from the chassis.
5. Ensure that the new power supply and fan assembly has the same part number as the FRU being replaced.
FRU replacement in a VDX 6740
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