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INTERIOR
WARNING: If your smoke alarm does not respond as described in any
of the above tests, check that a good battery is properly installed. If a good bat-
tery is properly installed, promptly remove the unit, repack it and return it for
repair or replacement.
TAKING CARE OF YOUR SMOKE ALARM
Your smoke alarm has been designed and manufactured to be as maintenance-free
as possible. Here are a few simple steps you must perform, in addition to the weekly
tests described in the section “WEEKLY TESTING OF YOUR SMOKE ALARM,” to keep
your unit in good working order.
• The smoke alarm should be vacuumed monthly or more often if there is
dust, dirt or kitchen grease that can accumulate. Use a soft brush or wand
attachment and vacuum all slots in the cover and side. FOR YOUR SAFETY,
you must properly clean and maintain your smoke alarm, since a dirty or
malfunctioning unit may fail to alarm or cause unwanted nuisance alarms.
• If the unit is damaged or fails to operate properly, and you have checked
that a good battery is installed correctly, follow the directions in the sec-
tion "WHERE TO SEND YOUR SMOKE ALARM IF IT NEEDS SERVICE" for
return. FOR YOUR SAFETY, DO NOT OPEN THE SMOKE ALARM AND TRY
TO REPAIR IT YOURSELF. While smoke alarms are economical devices,
they contain precision electronic components that are precisely calibrated.
The manufacturer must do repairs.
REPLACING THE BATTERY
The smoke alarm will “beep” once a minute for at least 30 days when the battery is
weak. The battery must immediately be replaced with a fresh one.
The battery should also be changed if it does not sound an alarm when tested. TO
REPLACE THE BATTERY:
1. Check if the tamper resist locking pin is installed in the smoke alarm (see “USING
THE TAMPER RESIST LOCKING MECHANISM” section). If so, pull the pin com-
pletely out of the smoke alarm using long-nose pliers.
2. Remove the smoke alarm from the mounting bracket by twisting counterclockwise
3. Replace old battery with a fresh one. If your smoke alarm has a safety light, the
miniature lamp operates on two AA batteries. (See recommended batteries below.)
4. Check that battery connections are secure and the battery is secured in its
compartment
5. Test smoke alarm for proper operation (see “WEEKLY TESTING OF YOUR SMOKE
ALARM” section). The smoke alarm operates on a 9-volt battery. The normal battery
operating life will be one (1) year. The life of some batteries may be less.
6. Firex smoke alarms sold with Ultralife long-life lithium batteries require replacement
approximately every ten (10) years or when the low battery signal sounds.
CAUTION: You should only use the batteries specified here or on the label of
the unit.