AC Powered in Normal Stand-by Operation
If at any time you test the alarm and it does not perform as described, have it replaced immediately.
DC Powered in Battery Backup Operation
Display Readings
“0”.
None.
Operation on
battery backup,
sensing for CO.
Battery is fully
charged. First 5
minutes on battery
backup
“0” or CO
concentration
displayed
once every
60 seconds;
flashing dot.
None.
Battery conserve
mode, sensing
for CO.
Battery is fully
charged and after
5 minutes of
operation on
battery backup.
Connect to AC
power.
Normal battery-
only operation.
To recharge
battery connect
to AC power.
“0” alternat-
ing with “Lb”
and a flashing
dot.
None.
Charging battery
pack. Initial
power-up or
power was reset.
Battery dis-
charged less
than 10 hours
on AC. Battery
is in charge
state.
Keep unit on
AC to fully
charge battery.
“Lb” will disap-
pear once bat-
tery is charged
depending on
initial charge.
“0” alternat-
ing with
“Lb” and a
flashing dot.
1 beep every
15 seconds.
Battery discon-
nected or not
charging.
Battery dis-
charged or dis-
connected
longer than 10
hours.
Connect battery
pack. “Lb” will
disappear once
battery is
charged
depending on
initial charge.
Flashes
alternately
“0” or CO
concentration
alternating
with “Lb”.
None.
Battery conserve
mode, sensing
for CO.
Battery is partially
discharged, first 5
minutes of operation
on battery backup.
Connect to AC
power to fully
recharge bat-
tery.
27
“0” with
flashing dot.
None.
Normal operation
sensing for CO.
Battery is fully
charged.
None.
Display Shows Alarm Sound Unit Status Unit Condition Recommended
Action
Display Shows Alarm Sound Unit Status Unit Condition Recommended
Action
Summary of Contents for KN-COPP-3-RC
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