ENMET QUADRANT - Manual (Page 13)

QUADRANT ENMET Corporation
7
3.2.1 Acknowledging Alarms
Alarms are acknowledged by pressing the Enter/Backlight button. Activating this button
silences the audio alarm and allows viewing of the current gas concentrations, while the
visual alarm continues. Exceptions are a fault alarm, low battery alarm and overrange.
3.2.2 Summary of Alarms
3.2.2.1 Gas alarms, instrument in pulsating visual and audible alarm
XXX is the numerical gas concentration.
Display Cause Possible remedy
AL O2
alternated with
XXX O2
Exceeding of Oxygen threshold:
over or under
-Acknowledgeable general visual
and audible alarms
-The O2 indicator LED remains
flashing as long as threshold is
exceeded
AL GAS
alternated with
XXX GAS
Momentary exceeding of
threshold
-Acknowledgeable general visual
and audible alarms
-The corresponding indicator
LED remains flashing as long as
threshold is exceeded
STE GAS
alternated with
XXX GAS
STEL threshold is exceeded
-Acknowledgeable general visual
and audible alarms
-The corresponding indicator
LED remains flashing as long as
threshold is exceeded
TWA GAS
alternated with
XXX GAS
TWA threshold exceeded
-Acknowledgeable general visual
and audible alarms
-The corresponding indicator
LED remains flashing as long as
threshold is exceeded
DISCH
Battery is starting to be depleted:
approximately 30 minutes use
time remain -Acknowledgeable general visual
and audible alarms
•recharge battery
3.2.2.2 Fault alarms, instrument in continuous visual and audible alarm
GAS is the type of gas detected, for example, CO.
Display Possible cause Alarm & Possible remedy
DISCH
Battery discharged: the instrument
can on longer be used -Acknowledgeable audible alarm
-Unacknowledgeable visual alarm