PSA LIFCO9 - Manual (Page 13)

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.
5. Model KN-COB-B-LS-UK(900-0233) Operating
Characteristics
Operating and Alarm Characteristics
Function LED Display Alarm Sound Unit Status Recommendation
Normal
Operation Green LED
flashes every 30
seconds None Normal DC
operation (sensing
no CO) and with
good batteries None
Carbon
monoxide
alarm Red LED flashes
with beeps. Repeating
ON/OFF beeps Alarm condition.
Dangerous
concentrations of
CO detected Refer to “What to do
When the Alarm
Sounds” (inside front
cover)
Low
battery Red LED flashes
every 30 seconds One quick
beep every
30 seconds Batteries need to be
replaced Replace all three AA
batteries
Error /
service
alarm Red LED flashes
every 30 seconds One quick
beep every
30 seconds Unit is in error
condition
Error Red LED
constantly on Constant
alarm Very low battery or
unit malfunction
Replace battery.
If condition continues,
unit has
malfunctioned.
Replace immediately.
Unit will not respond
to CO
Normal
Test/Reset
function Red LED flashes
with beeps.
Green LED on Repeating
ON/OFF beeps Normal operation
when Test/Reset
button is pressed CO not detected.
Alarm for test
purposes only
End of
unit life
indicator Red LED flashes
twice every 30
seconds Two quick
beeps every
30 seconds End of unit life Replace unit
immediately. Unit will
not respond to to CO
2522-7216-00 (900-0233):_ 2011.10.21 5:10 PM Page 13