Magma EB7R-x8 - Manual (Page 48)

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If your chassis is extremely dirty and you would like professional
help with getting it clean, you can contact Magma Support for
instructions and costs on shipping the chassis back for cleaning.
Finally, clean the air filter following the instructions later in this chapter.
When finished, replace the cover and turn on power to the system.
“Hot-Swappable” Power Supply (Optional)
In spite of regular performance of routine maintenance tasks, some
computer systems can experience hardware failures. Fortunately, your
investment in a Magma Expansion system with a redundant power
supply provides you with the ability to easily replace a power module in
the event of a failure.
The redundant power supply includes two hot-swappable modules that
share the power load requirements during normal operations. Should
one module fail for any reason, the power load will be shifted to the
other module and sound an audible alarm.
If a power supply fails, an alarm will sound to alert you of the problem.
Press the square red button adjacent to the power supply to stop the
audible alert.
To replace a failed power supply, simply grab the handle, press down
on the release lever at the top of the module, and pull. Replace the
failed module with a new one and turn on the power to the module using
the power switch at the bottom of the module. The power load will again
be shared between these two modules.