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22 COREBUILDER 6000 EXTENDED SWITCHING SOFTWARE REVISION 8.2.3
To remove a faulty power supply and replace it with a new unit, follow
these steps:
1 Turn off the power supply according to the safety and removal procedures
in the Installation Guide that is shipped with the new power supply. The
system control panel displays the following message (where n designates
power supply 1 or power supply 2):
Power Supply
n
: Input Failure
2 Remove the power supply. The system generates a sound, and the system
control panel displays the following message:
Power supply
n
extracted.
3 Insert the new power supply, following the safety warnings and instructions
in the Installation Guide that comes with the new power supply. The system
displays this message:
Inserted
This message is immediately overwritten with:
Input Failure
4 Turn on the power supply. The system generates a sound and the system
control panel displays this message:
Input restored
Power Supply Warning Messages. This release of system software now
displays these power supply warning messages on the control panel when
appropriate:
■ +5V Failure
The power supply +5-volt input has failed.
■ +12V Failure
The power supply +12-volt input has failed.
■ +5V Restored
The power supply +5-volt input is restored.