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7.3 Maintenance Faults
A maintenance fault indicates the Vertex M system requires attention but is continuing to monitor. When a maintenance fault occurs, the following actions take place within the Vertex M system:
The LED indicator flashes yellow on the analyzer with the fault. See "Manual Analyzer Override" on page 154 for more information.
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A yellow fault indicator appears on the main screen.
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The event list and event history are updated.
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Maintenance Fault relays associated with this analyzer will activate.
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Event
Event List Desc.
Event History
Number
(Short)
Description
FLOW ADJ ERR
Low Flow After
101
LOW
Adjustment
LOW CC
Chemcassette
102
WARNING
Low
Timeout Of
103
TIMEOUT IDLE
Monitor
Data Field
Problem
Point Flow reading can not
reach 150 cc/min.
cc/min. of error
Excessive point vacuum
Chemcassette counter
Days Remaining
decremented to less than 120
windows
Analyzer in IDLE, LOAD CC,
0.0
FLOW
Possible Cause
Condensation
Internal proportional valve filter clogged
Proportional valve failure
Supply vacuum insufficient (less than 7 in. Hg)
Sample line restricted
End of line filter plugged
Too many analyzers sharing one sample line
Sample Line too long
I.D. too small
Poor gate seal
Less than one day remains on Chemcassette
Out of Monitor time limit has been exceeded
User error
Recovery
Verify range of valve by
performing Auto Balance
calibration
Identify possible cause if
maximum flow is below 240
cc/min.
Check internal lines for
moisture
Purge as required
Replace particulate filter at
manifold
Replace Valve
Plug pneumatic connector in
unused slots
Exhaust tubing restricted
Service or switch pumps
Clear restriction
Replace filter
Reduce number of analyzers
on same Line
Correct sample line issue
Contact Honeywell Service
Contact Honeywell Service
Replace Chemcassette
Press RESET to reinitialize
timer.
Enter Monitor using Runtime
Options
Return analyzer to Monitor
Mode
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