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Detecting a Failed PSU
If a PSU module fails, the system notifies you through the following indicators:
PSU status LED locations
Audible alarm (refer to Audible Alarms)
Firmware utility (refer to Firmware User Manual in the CD-ROM for details)
PAC Management S oftware (refer to the PAC Management Software User Manual in the
CD-ROM for details)
Replacing Power Supply Unit
A failed PSU should be replaced as soon as possible, but only when you have a
replacement module in your hand. Contact your vendor for more details (refer to Contact
Information).
WARNING
Although the system can operate with a failed PSU in a system, it is not
recommended to run the system with a failed PSU for an extended period of time. The
failed spare redundant PSU should be replaced as soon as possible!
To replace a PSU, follow these steps:
1.
Turn the switch to the off position and unplug the power cord.