0100037-J0 Rev C
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10. Maintenance
Although very little maintenance is required with Alpha systems, routine checks and adjustments are recommended
to ensure optimum system performance. Qualified service personnel should do the repairs.
The following table lists a few maintenance procedures for this system. These procedures should be performed at
least once a year.
Table H — Sample maintenance log
Procedure
Date Completed
Clean ventilation openings.
Inspect all system connections. Re-torque if necessary.
Verify alarm/control settings.
Verify alarm relay operation.
WARNING!
Use extreme care when working inside the unit while the system is energized. Do not
make contact with live components or parts.
Circuit cards, including RAM chips, can be damaged by static electricity. Always wear a
grounded wrist strap when handling or installing circuit cards.
Ensure redundant modules or batteries are used to eliminate the threat of service inter-
ruptions while performing maintenance on the system’s alarms and control settings.
10.1 Replacing a Rectifier Module via the CXC HP Controller
When a rectifier is permanently removed, the system generates a
Rectifier Comms Lost
alarm. That alarm is
cleared by removing the rectifier from the system inventory.
To remove the rectifier from the system inventory do the following:
1. Remove the defective rectifier from the shelf.
2. To remove a module, flip the handle up and pull the module away from the rear connector and out of the shelf.
3. In the web user interface go to
Power System > Inventory > Rectifiers > Status
.
4. Click the
Unassign
button on the rectifier to be removed and confirm.
5. Place the new rectifier in the shelf.
6. Rectifiers are plug-and-play, but you may still need to map the new rectifier to an AC phase.
7. If not set to auto-assign, go to
Modules > Unassigned Modules
to assign new rectifier.
8. Confirm the assignment.
