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LACO Technologies
Fault Description
Part Vent Fault
Chamber Vent Fault
Part Clamp Fault
Part Unclamp Fault
Chamber Open Fault
Chamber Close Fault
Max Sniff Time
Exceeded
LD Sniff Pumpdown
Fault
ATLAS Operations and Maintenance Manual
Fault Causes
When the part was
vented, it did not return
to the Part Vent Pressure
setpoint.
When the chamber was
vented, it did not return
to the Chamber Vent
Pressure setpoint.
The automated part
movements did not
complete in time.
The end of the sniff test
was not acknowledged
before the time allotted
in the Recipe Max Sniff
Time expired.
The leak detector was
not able to evacuate the
sniffer probe and achieve
the necessary vacuum
pressure for sniffing.
7 TROUBLESHOOTING
Fault Troubleshooting
•
Increase the fill
pressure tolerance in
the advanced settings.
•
Increase the Part Vent
Timer.
•
Verify the part valve is
operating properly.
•
Verify the part vent
pressure in the recipe.
•
Make sure the
chamber vent valve is
operating properly.
•
Adjust the chamber
vent fault timer or
pressure setpoint.
•
Improperly set cylinder
or position switches.
•
Verify pneumatic
system and cylinders
are functioning
properly.
•
Inspect all sensor and
switch wiring.
•
Extend the time in the
recipe setting.
•
Abort the cycle before
the time expires if you
do not wish to resume
the test.
•
Verify that the sniffer
probe is connected
properly.
•
Inspect the sniffer
probe and hose for
tears/brakes.
55
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