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Step 3: Testing the Alarm
The test button has four purposes. It tests the unit’s elec-
tronics, resets the alarm, activates the Hush® feature, and
activates the peak level memory.
CAUTION: Due to the loudness (85 decibels) of the
alarm, always stand an arms length away from the
unit when testing.
• To test: Press and release the test/reset button and a
series of beeps will sound, followed by the message
“Fire! Fire!”, then another two series of beeps and the
message “Warning! Carbon Monoxide”, followed by 4
additional short beeps.
• Reset: If the Smoke/CO Alarm is sounding a CO alarm,
pressing the test/reset button will silence the alarm. If the
CO condition that caused the alert continues, the alarm
will reactivate. Reactivation times depend on the amount
of CO present. See page 21.
• Hush
®
: If the Smoke/CO Alarm is sounding a Smoke
alarm, pressing the test/reset button will temporarily
silence the alarm. If the smoke level continues to build,
the alarm will reactivate. See Step 4: Hush
®
Control
Feature.
• Peak Level Memory: If the green LED is blinking once
every 16 seconds, the unit has detected a hazardous
condition. If the unit has detected a CO level of 100
PPM or greater, pushing the Test/Reset button will result
in a voice message “Caution, carbon monoxide previous-
ly detected”. Peak level also happens if the unit detects
smoke and then comes out of alarm. However, there is
no voice message if the unit is in peak level due to
smoke. When the Test/Reset button is pushed, the unit
exhibits a normal PTT if in peak level due to smoke.
Weekly testing is required! If at anytime it does not per-
form as described, verify the three batteries are installed
correctly and that they don’t need replacing. Clean dust
and other buildup off the unit. If it still doesn’t operate
properly call the Consumer Hotline at 1-800-880-6788.
16
Operating and Installation Instructions