User Instructions Section 5847
Spec. Nos. 586505000 and 5865055000 (Model LMS1000) Issue AL, July 24, 2006
Chapter 5. Troubleshooting and Repairing LMS1000 Page 5-1
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CHAPTER 5
TROUBLESHOOTING AND
REPAIRING LMS1000
Refer to Section 4154 (Service Information Sheet) for service contact information. You
can find Section 4154 on the CD (Electronic Documentation Package) furnished with your
system.
TABLE OF CONTENTS
Observe the Following Admonishments.......................................................................... 5-1
Preliminary Troubleshooting............................................................................................ 5-2
Diagnostic Mode.............................................................................................................. 5-2
LMS1000 Self Diagnostic Alarms (Binary Channels B0081 – B0096)............................ 5-3
Troubleshooting Four Input Analog Circuit Cards ........................................................... 5-6
Repair and Replacement Information.............................................................................. 5-8
Circuit Cards ............................................................................................................. 5-8
Replacement Circuit Card Part Numbers ................................................................. 5-8
Replacement Procedures................................................................................................ 5-9
Replacing a 586505000/586505500 Main Cabinet or 582140000 LPS
Primary Bay CPU Circuit Card.................................................................................. 5-9
Replacing an Expansion Cabinet CPU Circuit Card............................................... 5-13
Replacing a 586505000/586505500 Expansion Assembly .................................... 5-15
Modem Circuit Card Replacement.......................................................................... 5-16
I/O Circuit Card Replacement ................................................................................. 5-16
OBSERVE THE FOLLOWING ADMONISHMENTS
Danger: AC and DC power may be present. This system operates from DC input
power. Various AC and/or DC voltages may be connected to the
input/output circuit cards contained within the system. Performing the
following procedures may expose service personnel to hazards. These
procedures should be performed by qualified service personnel familiar
with the hazards associated with this type of equipment. These hazards
may include shock, energy, and/or burns. To avoid these hazards:
a) The tasks should be performed in the order indicated.
b) Remove watches, rings, and other jewelry.
c) Prior to contacting any uninsulated surface or termination, use a
voltmeter to verify that no voltage or the expected voltage is present.
d) Wear eye protection, and use recommended tools.
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