Technical data

34 Brocade VDX 6720 Hardware Reference Manual

53-1002084-06

Replacing a combined FRU in a Brocade VDX 6720-24

Time and items required

Replacing a combined power supply and fan assembly in the switch should take less than two

minutes.

You need the following items to replace a power supply and fan assembly in a Brocade VDX

6720-24:

• 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

Complete the following steps to replace a combined power supply and fan assembly in a Brocade

VDX 6720-24.

1. Unplug the power cord from the combined power supply and fan assembly you are replacing.

2. Unscrew the captive screw on the power supply and fan assembly you are replacing using the

Phillips screwdriver.

3. Remove the power supply and fan assembly from the chassis by pulling the handle out and

away from the chassis.

CAUTION

The power supply switch must be in the off position when inserting it in the chassis.

4. Ensure that the new power supply and fan assembly has the same part number as the FRU

being replaced and then install the new FRU in the chassis:

Steady green Assembly is operating normally. No action required.

Blinking green One of the following may have occurred:

• Mismatched airflow on power supply

and fan assembly

• The power supply and fan assembly was

disabled by the user.

• The power supply and fan assembly

power switch has been turned off or the

unit has been unplugged.

• One or more of the fans in the fan

assembly has failed or the power supply

has failed.

Take one of the following actions:

• Replace the power supply and fan

assembly with one that has the

correct airflow direction.

• Verify that the power supply and fan

assembly is enabled.

• Check the power switch and plug.

• Replace the power supply and fan

assembly.

TABLE 6 Brocade VDX 6720-24 LED behavior, descriptions, and required actions

LED color and behavior Description Action required