2101510MNA H | NGC82 00 AN D P GC 1000 US ER MA NUA L |
125
To troubleshoot stream pressure:
1.
Perform the
(see section
) for the sample vent. If the test fails,
proceed to the next step.
2.
Perform the feed-through assembly blockage test (see section
) on the sample vent
(SV). If the test fails, replace the feed-through assembly with a new or refurbished assembly.
3.
4.
.
11.2 Troubleshooting Alarms
IMPORTANT NOTE:
The information provided for troubleshooting alarms is only intended to cover
basic steps that can be performed in the field. Additional troubleshooting steps may be provided by
technical support in an effort to reduce down time. Additionally, it may be desirable to return a
module to ABB for testing and/or repair.
This section focuses on determining what has caused an alarm following normal operation. The
analyzer has a built-in list of alarms, some of which are user-configurable. These alarms are grouped
into four areas: general, warning, fault and system fault.
lists enabled alarms. To view all
the available alarms, select
Setup
under Stream 1 on the Analyzer Operation screen and select
Alarm Definitions
.
Additional alarms may be enabled but are not included here for the purposes of troubleshooting. They
are: component high/low concentration, component peak not found, and component RF limit
exceeded. These alarms are disabled by default. See the PCCU32 help files for more information.
Table 11-4: Default alarms
Description
Enabled
Type
Severity
Pressure Regulator 1
Yes
GT
Fault
Pressure Regulator 2
Yes
GT
Fault
Sample Pressure
Yes
GT
Fault
Oven Temperature Error
Yes
GT
System Fault
No Stream Valve Selected
Yes
GT
System Fault
Digital-Analog Bd Comm Error
Yes
GT
System Fault
Calculation Error
Yes
GT
Fault
Calibration Un-Normalized Total
Yes
GT
Fault
Stream Sequence Error
Yes
GT
Fault
Calibration CV Percent Error
Yes
GT
Fault
RF Pct Error
Yes
GT
Fault
Analog Bd Ambient Temp
Yes
GT
Warning
Analog Power Supply
Yes
GT
Warning
Low Carrier Gas Cylinder (DI1)
Yes
LT
Warning
Low Cal Gas Cylinder (DI2)
Yes
LT
Warning
GCM Chromatogram Process
Yes
GT
System Fault
Bad Bead
Yes
GT
Fault
No Pilot Valve Change Detected
Yes
GT
Fault
Sample Flow Detect
Yes
GT
Fault
CPU Loading
Yes
GT
Warning
System Memory Available
Yes
LT
Warning
Ram File Available
Yes
LT
Warning
Flash File Available
Yes
LT
Warning
Missing Peak-Cal Not Used
Yes
GT
Warning
Stream Un-Normalized Total
Yes
GT
Warning
Table 11-5: Alarm Severity
Type
Definition
General
Indicates that an alarm exists, but that it is not critical to the operation of the device.
Use general when testing for a condition that may occur from time to time in order to
know when it happens.
Warning
Indicates that an alarm exists, is not critical, but may indicate or provide unexpected
results