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6. Model C3010-D (with digital display)
Operating Characteristics
The following table illustrates the possible digital displays, describes the
audible alarm patterns, and the recommended actions to take.
Operating and Alarm Characteristics
LCD Display Shows Alarm Sound Unit Status Recommendation
A steady display of
CO concentration
from 30-999. Red
LED flashes with beep
4 quick beeps,
5 secs. silence,
repeating
Alarm condition.
Dangerous
concentrations of
CO detected
Refer to “What to
do When the Alarm
Sounds” (inside front
cover)
Brief “888” for
approximately 30
seconds
None
Self test when first
powered up
None – CO has
not been detected.
Numbers shown for
test purpose only
“- - -”
followed
by
“888” are
shown to indicate
test mode
4 quick beeps,
5 seconds
silence,
repeated once
Test/Reset button is
pressed
None – CO has
not been detected.
Numbers shown for
test purpose only
Steady “0” displayed,
dot flashing every 5
seconds, Green LED
flashes every 30 secs.
None Normal DC
operation with
good batteries
(sensing no CO)
None
“
Lb” flashes
alternately with
any number,
Amber LED flashes every
second.
One quick beep
every 60 seconds
Unit batteries are not
capable of powering the
unit either because of age,
storage or the voltage of
the battery
If unit is cold, allow to warm
up above 68°F. If the unit is
at room temperature and is
beeping /flashing every 60
seconds the unit needs to be
replaced.
“Err” displayed,
Amber LED flashes
every second and
green LED flashes error code
every other 30 second period.
One quick beep
every 30 seconds
Unit is Error
condition
Press and hold the test
button for 5 seconds to
perform a reset. If unit
continues to beep or
alarm, using a screwdriver
slide the switch on the
back of the unit up to the
shut down position. Unit
will not respond to CO.
Display is blank Constant alarm Unit malfunction
Number from
11-999 displayed.
None Peak Level Memory
activated. Highest
concentration of
CO detected is
displayed
Refer to following
section for informa-
tion regarding Peak
Level Memory
“End” displayed.Green
LED flashes error code
every other 30 second
period and amber LED
flashes every second.
Two quick
beeps every
30 seconds
End of unit life Replace unit imme-
diately. Unit will not
respond to CO.
The problems listed above are under normal operating conditions. Other
“Err” conditions could exist. If you should have any questions regarding
display conditions, call our Consumer Hotline.