174 LD-250 Platform User's Guide 20472-000 Rev B
8.10 Replacing Non-Periodic Parts
LD-250 Core
The LD-250 Core is an enclosed computing appliance, with internal fans as the only moving
parts. There are no user-serviceable parts inside the enclosure and you must exchange the
entire LD-250 Core if it fails for any reason.
If the LD-250 Core is software-accessible, make sure that you download its configuration
information in the Debuginfo file. You might require this information to reconfigure the AMR
after you replace the LD-250 Core. See: Obtain a DebugInfo File from SetNetGo on page 26
If you have installed options such as an Acuity Camera or Side Lasers, refer to the
LDPlatform Peripherals User's Guide for specific information about removing and recon-
necting those options.
IMPORTANT: The LD-250 Core used in other LD-series models has exactly the
same physical appearance. Make sure you use part number 11736-100 or later
revision. A jumper (tethered to the chassis) prevents operation with an incorrect
model core.
You require the following tools:
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Replacement LD-250 Core. This must be part number 11736-100
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A jumper, part number 20758-000L is tethered to the LD-250 chassis. Insert this in the
Bumper connector on the LD-250 Core.
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5 mm hex key (or bit).
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2.5 mm hex key (or bit).
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Pliers and flat-blade screwdriver for loosening connector lock screws.
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Masking tape and a marker pen to label cables and connectors.
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Either an ESD wrist strap or shoe straps, or use an ESD mat in the workspace area.
Before you begin:
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Move the LD-250 to a clean and clear workspace.
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Press the Off button to shut down the LD-250. See: OFF Button on page 126.
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Press an E-Stop button.
Figure 8-21 shows the mounting brackets and fasteners that you remove to access the LD-250
Core. Retain all fasteners to use when installing the replacement core.
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