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6. Model KN-COPP-B-LP (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
A random number
is displayed –
between approxi-
mately 150 and 300
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 alter-
nately with any
number, Red LED
flashes every 60 seconds.
One quick beep
every 60 seconds
Batteries need to
be replaced
Replace all three AA
batteries immediately
“Err” displayed One quick beep
every 30 seconds
Unit is Error con-
dition
Replace batteries.
If “Err” (or blank
display) continues,
unit has malfunc-
tioned. Replace
immediately. Unit will
not respond 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.
Red LED flashes
two times
every 30 seconds
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.