Chapter 12 Installing, Removing, and Replacing
Adding, Removing, and Replacing Power Supplies
Scalar i500 User’s Guide 421
Required tools:
None
1 Save the library configuration (see Saving the Library Configuration
on page 495).
2 Locate the vacant power supply slot and remove the cover plate. Save
the cover plate in case the redundant power supply needs to be
removed at a later date.
3 Insert the new power supply into the vacant slot.
4 When inserting the power supply, make sure that you insert it
correctly with its on/off switch located at the bottom of the supply,
below the handle. The power supply must be level to slide in
smoothly.
5 Tighten the power supply’s thumbscrews to secure the power supply
to the library module.
6 Plug in the power supply cord.
7 Turn on the power supply’s power, using the switch on the rear of
the power supply.
8 Check the status of the power supply’s LEDs. The top green LED and
the blue LED should be solidly lit.
9 Power on the library.
10 Check the status of the power supply’s LEDs. The two green LEDs
should be solidly lit, and the blue LED should be off.
Permanently Removing a
Redundant Power
Supply 12
These instructions explain how to remove a redundant power supply
from the control module. You may need to remove the second power
supply if it is no longer necessary for the library.
Required tools: None
1 Save the library configuration (see Saving the Library Configuration
on page 495).
2 Access the back of the library, and locate the power supply that you
want to replace.
3 Turn off the power supply’s power, using the switch on the rear of
the power supply.
4 Disconnect the power supply cord from the power supply and from
its source.
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