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This device has been designed to require little work or maintenance. However, to ensure optimum
long-term performance, please follow the steps listed below:
Test the device once a week by pressing the Test/Silence button to check if the device is functioning
properly. Note that this only tests the electronics in your alarm rather than the smoke and CO sensors.
If the backup battery is depleted, the LED indicator will flash yellow with one beep every 60 seconds. Follow
the steps below to replace the battery immediately. Note that this alarm requires a standard 9 V lithium
battery.
1. Open the battery compartment and remove the old battery.
2. Insert a new battery, making sure it is aligned properly. Match the terminals on the end of the batteries
with the terminals of the device.
3. Close the battery compartment, then test the device by pressing the Test/Silence button.
Safety information informs you of important instructions and potential hazards. Please carefully read
this section before installation and operation. Note that this device is only for home use.
Maintenance
Troubleshooting
Safety
Weekly Test
Battery Replacement
Clean your alarm with a soft, damp cloth once a month. Do not disassemble the device or clean the
interior. Doing so will void your warranty.
Do not clean with detergents or solvents, or spray air fresheners or hair spray near the device, as these may
lead to a malfunction.
Do not paint the device, as it will seal the vents and reduce the sensitivity of the smoke sensors.
Do not tamper with this device, as this may lead to electrical shock or malfunction.
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The device does not alarm
during a test.
Improper wire
connection or
operation
Improper
installation location
Low battery
warning
1. Turn off the power and check wire
connection.
2. Firmly press the Test/Silence button.
Avoid installing alarms near cooking
appliances, dusty areas, showers, or any
area where the temperature drops below
40°F (4.4°C) or rises above 100°F (37.8°C).
Replace the battery immediately. If an
immediate replacement is not possible,
you may press the Test/Silence button to
silence the alarm for 10 hours.
Description
Problem
Solution
False alarms are triggered
intermittently while
cooking or showering.
The LED indicator flashes
yellow once every 60
seconds with one beep.
The LED indicator flashes
yellow twice every 60 seconds
with two beeps.
Clean your alarm. If the problem
persists, replace the device.
Replace the battery immediately. If an
immediate replacement is not possible,
you may press the Test/Silence button
to silence the alarm for 22 hours.
The LED indicator flashes
yellow three times every 60
seconds with three beeps.
End-of-life signal
Malfunction
WARNING
Disconnect AC power before changing the battery,
Shock hazard exists if AC power is miswired.
