33
GA0383P02 Rev. C
ref.
1
Reset
Clear all alarms.
1,2,3
Table 3 (Display Keys)
Key
Function
Indicators Affected
1 Ambient Alarm
High concentration of submicron particles are
present in the gas stream.
2 Ambient Warning
3 Generator Alarm
4 Generator Warning
5 Differential Alarm
6 Differential Warning
Table 4 (GCM-A Status)
Condition Typical Cause
7 Ambient Flow
Trouble
8 Generator Flow
Trouble
9 Relay Problem
2
10 Power Supply
Problem
3
11 I/O Error
4
12 Detector Problem
5
Ambient Alarm Relay
Ambient Alarm LED
The ambient output level is above its
warning level
Warning Relay
Ambient Warning LED
High concentration of submicron particles are
present in the gas stream
Generator Alarm Relay
Generator Alarm LED
The generator output level is above its
warning level
Warning Relays
Generator Warning LED
High concentration of submicron particles are
present in the gas stream
Differential Alarm Relay
Differential Alarm LED
The differential output level is above its
warning level
Warning Relays
Differential Warning LED
The airflow through the ambient sampling
system is out of specification
Flow Trouble Relay
Ambient Flow Trouble LED
The airflow through the generator sampling
system is out of specification
Flow Trouble Relay
Generator Flow Trouble LED
A missing or defective relay
System Trouble Relay
System Trouble LED
One or more power supplies are not within
tolerance
The GCM-A is detecting a communication
error while trying to talk to the I/O board
A problem with the instrumentation involved
in submicron particle detection
System Trouble Relay
System Trouble LED
System Trouble Relay
System Trouble LED
System Trouble Relay
System Trouble LED
1
Applicable line in Table 4 (GCM-A Status)
2
Run a relay test to identify relay problems.
3
Run a power test to identify power supply problems.
4
Use the Fault Log to view Communication errors.
5
Run a system test to identify problems in the sub-micron particle detector.
13 Disabled
Monitoring has been disabled by the operator,
or the operator is running a diagnostic test.
System Trouble Relay
System Trouble LED
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