Nighthawk KN-COPP-3 Carbon Monoxide Alarm User Manual


 
Part Six Display Reading and What They Mean
Start-up and Normal Operation Readings
Page 6-3 and 6-4 contain vital information about the various readings you may
see on your display. We suggest you keep this Users Guide handy for reference.
Your new Nighthawk carbon monoxide alarm is a sophisticat-
ed electronic device – yet very simple to understand. Basically,
the unit will display a “0” if it does not sense carbon monox-
ide and if you have a good 9V backup battery installed.
If it senses carbon monoxide, it will display a reading so you
can see if you have a non-threatening or emergency situation.
However, if the backup battery is low or missing, or if the unit
malfunctions it will display other readings (and alarm differ-
ently) to alert you that something is wrong with the
alarm.
Please familiarize yourself and other family members to the
difference between a CO reading and a reading signifying a
problem with the
alarm itself.
Display Shows Alarm Sound Unit Status Recommended Action
Brief 888 and One short chirp Self checking when AC powered None Unit should quickly
flashing dot return to zero.
Lband dot One short chirp Start-up or reset phase when Install or Replace 9V battery
flashes alternately every 15 seconds. AC powered and low battery Refer to page 1-4.
with 0.
Steady 0 None Normal AC operation (sensing None
and flashing dot no CO) and with good battery
Steady display of 4 quick beeps, High level of CO detected Refer to page 4-1
high number (in the 5 seconds off,
hundreds of ppm) repeat.
and flashing dot
(flashes alternately)
6-3
If at any time you test the alarm and it does not perform as described, have it replaced immediately.
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