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6.2.5.1
The following descriptive status and definitions are applicable for only the stream
test and are in addition to those defined for all start-up diagnostics.
Failed Initial Pressure
Failed Resting Pressure
Failed No Pressure
Failed Holding Pressure
Failed Flowing Pressure
Failed Ending Pressure
Waiting
6.2.5.2
These alarms are indicative of a sample pressure problem. The causes range
from a plugged frit filter to a bad GC module.
6.2.5.3
1) Perform the sample vent pressure test procedure, found in this chapter, for the
sample vent. If the test failed, proceed to the next step.
2) Perform the feed-through assembly blockage test on the sample vent (SV). If the
test fails, replace the feed-through assembly with new or refurbished assembly.
Otherwise, continue to the next step.
3) Using the Analytical Module Assembly instructions in Maintenance,
Analytical Module
4) Using the Replacing GC Module instructions in Maintenance,
Module.
6.3 Troubleshooting Alarms
This section focuses on determining what has caused an alarm following normal
operation. The Totalflow
of which are user-configurable. These alarms may be grouped into three areas:
warning, fault and system fault. See
view all the available alarms, select Setup under Stream 1 on the Analyzer
Operation screen and select Alarm Definitions.
Page 6–6
Status
Status
Failed the Initial Pressure test.
Failed the Resting Pressure test.
Failed the Maximum Pressure test.
Failed the Holding Pressure test.
Failed the Flowing Pressure test.
Failed the Ending Pressure test.
This will be displayed by streams waiting to be tested. The
tests are run sequentially.
Description
Instructions
Totalflow recommends that a replacement analytical module
be installed at this point and additional steps be performed in
a clean, lint free atmosphere. Because the customer does not
have the required equipment to determine which specific
module needs replaced, the final instructions are by process
of elimination, beginning with the most likely module.
The Totalflow repair department offers a range of services for
troubleshooting and repairing/replacing the non-functioning
parts. For more information regarding the repair service,
contact customer service:
USA: (800) 442-3097 or International: 1-918-338-4880
assembly.
®
NGC8200 has an extensive built-in list of alarms, some
Description
Table 6–1
for a list of all enabled alarms. To
Replacing
Replacing GC
2101510 Rev. AG
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Table of Contents
Troubleshooting
