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EST LSRA - LSS4 Mode Troubleshooting

EST LSRA
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Maintenance & Troubleshooting
LSS4 Mode
The table below lists the annunciator trouble messages and their
causes.
Table Chapter 6-2: LSS4 Annunciator Trouble Messages
Message # Description
000001 LSS Drill Test
000002 A/C Power Failure
000003 LSS Battery or Fuse Trouble
000004 DC Power out, Auxiliary Power, or Smoke
Power
000005 Ground Fault
000006 External Input Fault
000007 Communication Fault
000008 Auto Evacuation Cancellation (Canada)
000009 Expansion Device Global Trouble
000010 Walk Test in Progress
000011 Alarm Verification in Progress
Table Chapter 6-3: LSS4 Annunciator Troubleshooting
Problem Possible Cause
Local Fault Fire
panel primary.
Communications failure between display
and LSS4.
LSRA(-C)
displaying garbled
characters.
1) LSRA-C baud rate not set at 9600.
LSRA-C front panel
switches
inoperative.
1) Key switch set to disable.
2) Key switch filter programmed
improperly.
3) Password not entered.
LSRA Installation, Operation, Maintenance, and Configuration Manual 6.3
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