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6-56 Chapter 6
Removing and Replacing Parts
Removing and Replacing the Power Supply
Removing and Replacing the Power Supply
Level of Difficulty: [1] Easy
A failing power supply on Model 2/20 disables the library. A failing power
supply on upper library levels results in a partial availability state.
When the library is in a partial availability state, it is still functional,
but is not in optimum configuration. When this occurs, the front panel
will display
Partly Available, and the illuminated LED beneath the front
panel display will be solid amber until the condition is resolved (see
“Partial Availability State” on page 5-19).
Removing the Power Supply
1. Power off the library.
2. Disconnect the power cord from the back of the power supply.
3. Loosen the thumbscrews at the top and bottom of the power supply. If
the thumbscrews are too tight to loosen by hand, loosen them with a
screwdriver.
4. Remove the stop bracket (for Model 2/20 only).
Figure 6-31 Removing the Stop Bracket for Model 2/20