5. Model KN-COB-B-LS Operating Characteristics
Whenever the alarm is operating, the green Power LED flashes every 30
seconds to indicate the unit is monitoring for CO. If the alarm senses
dangerous levels of CO, the red Alarm LED will flash and the alarm will
emit an audible alarm pattern.
Operating and Alarm Characteristics
Function
LED Display
Alarm Sound
Normal
Green LED
None
Operation
flashes every 30
seconds
Carbon
Red LED flashes
4 quick beeps,
monoxide
with beeps.
5 seconds
alarm
silence,
repeating
Low
Red LED flashes
One quick
battery
every 30 seconds
beep every
30 seconds
Error /
Red LED flashes
One quick
service
every 30 seconds
beep every
alarm
30 seconds
Error
Red LED
Constant
constantly on
alarm
Normal
Red LED flashes
4 quick beeps,
Test/Reset
with beeps.
5 seconds
function
Green and amber
silence,
LED's on
repeated once
End of
Red LED flashes
One quick
unit life
every 30 seconds
beep every 30
indicator
seconds
6. Model KN-COPP-B-LS (with digital display)
Operating Characteristics
When the unit is first powered up, the green Operate LED flashes once
every 30 seconds and the digital display will show three "eights" – indi-
cating the alarm is in the start-up mode. The three "eights" will remain
for approximately 30 seconds. Then, the alarm will display "0" and
begin monitoring the air for CO and will continue to do so as long as it
receives power.
This alarm will display a "0" if CO concentrations between 0 and 30
PPM have been detected within the last 15 seconds.
Unit Status
Recommendation
Normal DC
None
operation (sensing
no CO) and with
good batteries
Alarm condition.
Refer to "What to do
Dangerous
When the Alarm
concentrations of
Sounds" (inside front
CO detected
cover)
Batteries need to be
Replace all three AA
replaced
batteries
Unit is in error
Replace battery.
condition
If condition continues,
unit has malfunc-
tioned. Replace
Very low battery or
immediately. Unit will
not respond to CO
unit malfunction
Normal operation
CO not detected.
when Test/Reset
Alarm for test
button is pressed
purposes only
End of unit life
Replace unit immedi-
ately. Unit will not
respond to to CO
6. Model KN-COPP-B-LS (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
A steady display of
4 quick beeps,
CO concentration
5 secs. silence,
from 30-999. Red
repeating for 4
LED flashes with beep
min.– then 4
quick beeps
every minute
Brief "888" for
None
approximately 30
seconds
A random number
4 quick beeps,
is displayed –
5 seconds
approximately 200
silence,
repeated once
Steady "0"
None
displayed, dot flash-
ing every 5 seconds,
Green LED flashes every 30 secs.
"Lb" flashes alter-
One quick beep
nately with any
every 30 seconds
number, Red LED
flashes every 30 seconds.
"Err" displayed
One quick beep
every 30 seconds
Display is blank
Constant alarm
Number from 11-
None
999 displayed.
"End" displayed.
One quick beep
Red LED flashes
every 30 seconds
every 30 seconds
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.
Unit Status
Recommendation
Alarm condition.
Refer to "What to do
Dangerous
When the Alarm
concentrations of
Sounds" (inside front
CO detected
cover)
Self test when first
None – CO has not
powered up
been detected.
Numbers shown for
test purpose only
Test/Reset button is
None – CO has not
pressed
been detected.
Numbers shown for
test purpose only
Normal DC
None
operation with
good batteries
(sensing no CO)
Batteries need to
Replace all three AA
be replaced
batteries immediately
Unit is Error condi-
Replace batteries.
tion
If "Err" (or blank
display) continues,
unit has malfunc-
tioned. Replace
immediately. Unit will
Unit malfunction
not respond CO
Peak Level Memory
Refer to following
activated. Highest
section for informa-
concentration of
tion regarding Peak
CO detected is dis-
Level Memory
played
End of unit life
Replace unit immedi-
ately. Unit will not
respond to CO.