CMS-4 IN-HELMET CARBON MONOXIDE MONITOR
Page 9
© 2019 CLEMCO INDUSTRIES CORP.
www.clemcoindustries.com
Manual No. 29872
ALARM TYPES AND INDICATIONS
ALARM TYPE
VISUAL INDICATIONS
OTHER ALARM INDICATIONS
WARNING
Concentration of CO
rises above the Warning
setting (10 ppm).
Gas reading flashes.
Warning
appears at the bottom of the LCD.
Alarm LEDs flash.
Backlight turns on.
Alternating high-low tone ‒
chirps about twice per second.
Vibrator pulses once per second.
Alarm
Concentration of CO
rises above alarm
setting of 10 ppm
.
Gas reading flashes.
Alarm
appears at the bottom of the LCD.
Alarm LEDs flash.
Backlight turns on.
Alternating high-low tone ‒
chirps about twice per second.
Vibrator pulses once per second.
Alarm H
Concentration of CO
rises above the high
alarm setting of 10 ppm
.
Gas reading flashes.
Alarm H
appears at the bottom of the LCD.
Alarm LEDs flash.
Backlight turns on.
Alternating high-low tone ‒
chirps about twice per second.
• Vibrator pulses once per second.
TWA or STEL
Concentration of CO
rises above the TWA or
STEL alarm setting.
Gas reading flashes.
TWA
or
STEL
appears at the bottom of the
LCD.
Alarm LEDs flash once per second.
Backlight turns on.
Alternating high-low tone ‒
chirps about twice per second.
•
Vibrator pulses once per second.
Over Range
An over range condition
indicates an extreme CO
concentration.
Gas reading is replaced with a flashing
ΠΠΠΠ.
Gas name and units flash.
OVER
appears at the bottom of the LCD.
Alarm LEDs flash twice per second.
Backlight turns on.
Alternating high-low tone ‒
chirps about twice per second.
Vibrator pulses once per second.
Low Battery Warning
The last bar in the battery icon disappears
and the battery icon starts flashing.
None.
Dead Battery Alarm
Alarm LEDs flash once per second.
Gas reading disappears.
FAIL
appears in the middle of the screen
and
BATTERY
appears at the bottom of
the screen.
Alarm LEDs flash once per second
Double pulsing beep occurring about
once per second
Sensor Failure
FAIL
appears in the middle of the screen and
SENSOR
appears at the bottom of the
screen
.
Alarm LEDs flash once per second.
Double pulsing beep occurring about
once per second.
System Failure
Gas reading replaced by
FAIL
.
Time replaced by
SYS
below
FAIL.
Double pulsing beep occurring about
once per second.
Clock Failure
•
FAIL 050 CLOCK
appears on the screen.
Alarm LEDs flash once per second.
Double pulsing beep occurring about
once per second.
Figure 9