MeshGuard LEL IR & CO2 IR User’s Guide
57
Battery is low
controller or reader
and Press [Y/+]
Replace battery
Others
Turn the instrument
off and on again.
Consult RAE Systems
Customer Service.
10.
Alarm Signal Summary
Alarm
Mode
When
LCD
Buzzer & LED
Over Range
100% LEL
or
5% CO
2
(low range)
or
100%Vol CO
2
(high
range)
3 beeps per
second
High Alarm
> high alarm setting
3 beeps per
second
Low Alarm
> low alarm setting
2 beeps per
second
Zero Drift
< 0 ppm
1 beep per
second
Battery Low
< 3.2V
1 beep per
minute
Battery
Exhausted
< 3.1V
1 beep per
second