Kidde 8LLCO User Manual page 14

6. Model 8LLDCO (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
A steady display of
CO concentration
from 30-999. Red
LED flashes with beep
Brief "888" for
approximately 30
seconds
Test sequence
indication.
r
Steady "0" displayed,
dot flashing every 5
seconds, Green LED
flashes every 30 secs.
"Lb" flashes alter-
nately with any
number, Red LED
flashes every 60 seconds.
"Err" displayed
Display is blank
Number from
11-999 displayed.
"End" displayed.
Red LED flashes
two times
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.
Alarm Sound Unit Status
4 quick beeps, Alarm condition.
5 secs. silence, Dangerous
repeating concentrations of
CO detected
None Self test when first
powered up and
during Test/Reset.
4 quick beeps, Test/Reset button is
5 seconds pressed
silence,
repeated once
None Normal DC
operation with
good batteries
(sensing no CO)
One quick beep Batteries need to
every 60 seconds be replaced
One quick beep Unit is Error con-
every 30 seconds dition
Constant alarm Unit malfunction
None Peak Level Memory
activated. Highest
concentration of
CO detected is
displayed
Two quick End of unit life
beeps every
30 seconds
Recommendation
Refer to "What to
do When the Alarm
Sounds" (inside front
cover)
None – CO has
not been detected.
Numbers shown for
test purpose only
None – CO has
not been detected,
for test purpose only
None
If unit is cold, allow to
warm up above 20°C. If
the unit is at room tem-
perature and is beeping/
flashing every 60 seconds
the unit needs to be
replaced.
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.
Refer to following
section for informa-
tion regarding Peak
Level Memory
Replace unit imme-
diately. Unit will not
respond to CO.