User's Manual

4
Replacing the Batteries
Use only 3V lithium A batteries as listed on the battery
compartment cover.
Remove the alarm from the mounting base. See
Attaching and Removing the Alarm.
Slide the battery compartment cover away from the
alarm to unsnap it and lift it off. See Figure 4.
Remove the batteries and dispose of properly.
Observing correct polarity, insert two new 3V lithium
batteries into the battery compartment and replace the
cover.
Reattach the alarm to the mounting base. See
Attaching and Removing the Alarm.
Test the alarm (see Smoke Testing the Alarm).
Cleaning the Smoke Chamber
Clean the alarm cover with a dry or damp (water) cloth
as needed to keep it free from dust and dirt
When necessary, clean the alarm interior and replace
the smoke chamber as follows:
Remove the chamber from its mounting base. See
Attaching and Removing the Alarm.
Remove the batteries. See Replacing the Batteries.
Slide a flat-blade screwdriver in the slot on the alarm
cap and gently push the handle down to pry the cap up
and off. See Figure 6.
Press in on the sides of the chamber and pull it up and
away from the alarm and discard. See Figure 7.
Blow out or use a soft-bristled brush to remove dust
and dirt from the smoke chamber base.
Line the new smoke chamber up with the smoke
chamber base and snap down into place.
Replace the alarm cap as follows:
Line the cap up with the smoke alarm.
Insert the cap into the smoke alarm and turn clockwise
approximately 15 degrees. It should snap firmly into
place.
Observing the proper polarity, put the batteries back in
the alarm and replace the battery compartment cover.
Reattach the alarm to its mounting base. . See
Attaching and Removing the Alarm.
Test the alarm sensitivity. (See Testing the Alarm
Sensitivity).
Maintaining the Alarm
The Smoke Detectors are designed for easy field
service and maintenance. When installed and used
properly, they require minimal maintenance.
The smoke alarm should be tested weekly. See Testing
the Alarm Sensitivity and Smoke Testing the Alarm.
When a Smoke Detector requires maintenance, it
extinguishes its LED and initiates the external signals
described in the following table.
Signal Maintenance required
Maintenance alert
(LED OFF)
Detector failed to power up on
self test. Perform a sensitivity
test. See Testing the Detector
Sensitivity. If the problem
persists, replace the detector.
Low battery
Batteries in the detector are
low. Replace the batteries.