User Instructions Section 5847
Spec. Nos. 586505000 and 5865055000 (Model LMS1000) Issue AL, July 24, 2006
Chapter 5. Troubleshooting and Repairing LMS1000 Page 5-13
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Replacing an Expansion Cabinet CPU Circuit Card
Note: Refer to Figure 5-1 as this procedure is performed.
Note: When performing any step in this procedure which requires removal of existing
hardware, retain all hardware for use in subsequent steps.
Procedure:
1) Observe the admonishments presented at the beginning of this chapter, and in
the previous section titled "REPAIR AND REPLACEMENT INFORMATION".
2) Remove DC input power from the LMS CPU circuit card.
3) 586505000/586505500 LMS Cabinet: Rotate the two captive fasteners on the
front of the shelf until the arrow on the fastener points up or down, and pivot the
door open.
or
582140000 LPS Power System: Open the bay's front door.
4) Connect an approved grounding strap to your wrist. Attach the other end to a
suitable ground.
5) Remove the CPU circuit card by loosening the retaining screw.
6) Make a note of the replacement CPU circuit card's neuron identifier number
(written on the card). Slide the replacement CPU circuit card into its mounting
position, ensuring the rear edge connector is firmly seated. Secure the circuit
card by tightening the retaining screw located on the circuit card assembly.
7) Remove the grounding wrist strap.
8) 586505000/586505500 LMS Cabinet: Close the shelf door and secure with the
two captive fasteners (arrow on fastener points towards outside of cabinet).
or
582140000 LPS Power System: Close the bay's front door.
9) Reapply DC input power to the LMS CPU circuit card.
10) Log onto the system as a level 6 user.
11) Enter the command NODE REPLACE. Enter the correct information for the node
whose CPU is being replaced and the new node CPU being installed.
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