Honeywell Vertex M Technical Handbook page 149

Event Event List Desc.
Number (Short)
122 LIT NO REF
123 LIT CHAR FAIL
124 LINE FAIL
125 LIT
COORDINATION
126 OPTICS DEBRIS Possible debris
Section 6 - Troubleshooting
Event History
Data Field
Description
LIT has no bitmask
reference of points
skipped,
1-255
LIT Observed
Characterization cracking
failed pressure (in
Hg)
Sample line Observed
leak detected cracking
pressure (in
Hg)
Coordination Error code 1.0
failure during - 6.0
LIT
Diagnostic
in optics block Counter
Problem
Analyzer has no record or Point was disabled
correct cracking pressure in configuration
when previous LIT
characterization was
performed
Inadequate cracking Check valve not installed
pressure measured
during characterization
Sample tubing cut or
leaking
Inadequate cracking Sample tubing cut or
pressure measured leaking
during the monitoring by
Ambient pressure at
the optional Line Integrity
sampled point differs
Test
from Vertex M exhaust
by more than 0.3 in Hg
(1 KPa)
Check valve not seating
LIT test not performed Some analyzers were in
because analyzers could LOADCC or other special
not coordinate the test mode
Software anomaly
Optics signal has been Debris in optics block
erratic on at least 3
windows
6-9
Possible Cause
Perform characterization
or disable LIT test for
point in configuration
Install check valve or
disable LIT test in config
Replace tubing
Replace tubing
Revise installation
Disable LIT for affected
point
Replace check valve
None needed
If repeated, notify
Honeywell Analytics
Service
Clean optics block as
shown in
Recovery
Section 5.11