56
Teledyne API Model 480L O
3
Monitor User Manual
09419A DCN8342
the front panel LED indicates a status issue, details can be viewed in the STATUS
menu from the Home Screen.
Figure 8-2. Status Outputs
Table 8-1. Status LED/Output Definitions
Status
Output
#
Status
output
name
Front
Panel
LED state
Status
output
state
Triggers
Critical
Warning?
1
Sensor OK
Red
Open
No bench communications
Reference < 125.0 mV
Measure > 1230.0 mV
Yes
2
Invalid
Reading
Yellow
Closed
O
3
Concentration is too low
Units
O
3
Concentration
PPB
<
-30
PPM
<
-5
PPHM
<
-15
µg/m
3
<
0.25
O
3
Concentration > Stream
Range, dependent on active
Stream
No
3
Check Lamp
Yellow
Closed
Reference < 250.0 mV OR
Reference < 125.0 mV OR
Measure >1230.0 mV
No
4
Pneumatic
Error
Yellow
Closed
Pressure < 9.0 psia
Pressure > 14.9 psia
Flow <500cc/min
Flow > 1100 cc/min
No