84 Library Installation and CRU Replacement
Replacing a 5U Library Control Module
These instructions explain how to remove a 5U Library Control Module and replace it with a 5U Library
Control Module field replaceable unit (FRU). You may need to replace the 5U Library Control Module if its
chassis is severely damaged. Typically, however, only certain customer replaceable units (CRUs) or FRUs
within the 5U Library Control Module need to be replaced.
5U Library Control Modules are “paired” with robot assemblies (separate control module FRUs are assigned
to Model 1 and Model 2 robots). If a 5U Library Control Module with a Model 1 robot needs to be replaced,
you must replace it with the CM chassis FRU that belongs with the Model 1 robot. If a 5U Library Control
Module with a Model 2 robot needs to be replaced, you must replace it with the CM chassis FRU that
belongs with the Model 2 robot. See Physical Indicators
on page 165 for how to identify which chassis and
robot you have, based on the label part number.
There are some configuration settings to take into account when replacing the 5U Library Control Module.
• If you have applied one or more license keys to the original 5U Library Control Module, you will need
to replace each license key and apply it to the new 5U Library Control Module.
• A partition with all resources in the removed module will be present with no slots or drives. This
partition can only be deleted.
There are no restrictions on where the 5U Library Control Module can be installed in the library
configuration. However, the recommended placement of the 5U Library Control Module for library
configurations up to 32U is on top of all installed 9U Expansion Modules. The recommended placement of
the Library Control Module for 41U library configurations is on top of three 9U expansion modules and below
the top expansion module.
Removing the 5U Library Control Module
1 Before removing a module, follow the instructions in Preparing to Remove or Replace a Module on page
70.
2 Starting with the topmost module of your library, open the I/E station and access doors of the module.
Before unstacking the modules, the robot assembly must be parked
as described in P
reparing to Remove or Replace a Module on page
70.
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