Clemco CMS-4, Operation Manual

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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