HP StorageWorks 2/140 - Director Switch, Service Manual

Page: 245 / 396

FRU Removal and Replacement
245 Director 2/140 Service Manual
Figure 78: AC module removal and replacement
Replacing the AC Module
To replace an AC module:
1. Remove the replacement AC module from its protective antistatic bag.
2. Inspect the printed wiring assembly (PWA) side of the AC module for bent or
broken connector pins that may have been damaged during shipping. If any
pins are damaged, obtain a new assembly.
3. Position the AC module at the rear of the director chassis, as shown in
Figure 78 . Push the module toward the backplane to engage the connector
pins.
4. Insert and tighten the two panhead Phillips screws that secure the AC module.
5. Replace the power supply (“ RRP: Redundant Power Supply ” on page 241).
6. Disconnect the ESD wrist strap from the director chassis and your wrist.
7. Connect the power cord to the AC module.
1
Power supply
2
AC module
2
1