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If a valid Night / Day cycle has not been established because the unit is located in either a constantly dark or
lighted location, the chirps mentioned above will not be delayed at night. Moving the unit to a different location
might allow the unit to determine a valid Night / Day cycle.
WARNING: REPLACE UNIT AS SOON AS POSSIBLE WHEN IN END OF UNIT LIFE OR LOW BATTERY MODE.
11. Recognizing Nuisance Alarms
SMOKE NUISANCE
HUSH
®
: If you know why the alarm is sounding, and you can verify that it is not a life threatening situation,
you can push the button on the initiating unit (green LED flashing every second) to silence the alarm for
8-10 minutes. If the smoke is not too dense, that unit, and all interconnected units will silence. After the Hush
®
period, the smoke alarm will automatically reset and sound the alarm if particles of combustion are still
present. You can use Hush
®
repeatedly until the air has been cleared of the condition causing the alarm.
NOTE: Dense smoke will override Hush
®
and sound a continuous alarm. If no fire is present, check to
see if one of the reasons listed in Section 8. LOCATIONS TO AVOID may have caused the alarm. If a
fire is discovered, get out and call the fire department.
This alarm is designed to minimize nuisance alarms. Cigarette smoke will not normally cause the unit to alarm,
unless the smoke is blown directly into the alarm. Combustion particles from cooking may set off the alarm
if it is located too close to a cooking appliance. Large quantities of combustible particles are generated from
spills or when broiling. Using the fan on a range hood which vents to the outside (non-recirculating type) will
also help prevent nuisance alarms from occurring by removing these combustible products from the kitchen.
CO NUISANCE
RESET: Pushing the button during CO alarm allows the unit to reset calculations and double check for
the presence of CO. If the unit re-alarms within 6 minutes, it is sensing high levels of CO which can quickly
become a dangerous situation. Move to fresh air and call 911.
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