64 Service Manual (AA-RS2ED-TE, July 2004)

FRU Removal and Replacement

252 Director 2/64 Service Manual

RRP: Redundant Fan Module

Use the following procedures to remove or replace a redundant cooling fan

module. A list of tools required is provided.

Tools Required

The following tools are required to perform these procedures.

■ Standard flat-tip screwdriver.

■ ESD grounding cable and wrist strap.

Removing a Redundant Fan Module

To remove a redundant fan module:

1. If the director is installed in a stand-alone configuration, go to step 2. If the

director is rack-mounted, unlock and open the cabinet rear door as directed by

the customer representative.

2. Follow ESD procedures by attaching a wrist strap to the director chassis and

your wrist, as shown in Figure 73 on page 230.

Caution: To avoid causing machine errors or damage while working on the

director, follow ESD procedures by connecting a grounding cable to the

director chassis and wearing an ESD wrist strap.

3. Remove the RFI shield.

4. Identify the defective fan module from the amber LED on the module or

failure information at the Hardware View.

5. Two captive screws secure the fan module (1) to the director chassis, as

shown in Figure 80. Using a standard flat-tip screwdriver, loosen the captive

screws.