Testing
NOTE: WEEKLY TESTING IS REQUIRED!
CAUTION: Due to the loudness (85 decibels) of the alarm, always stand an 
arms length away from the unit when testing.
Test by pushing the test button on the cover and hold it down for a 
minimum of 5 seconds. This will sound the alarm if all the electronics, 
circuitry, horn and battery (if applicable) are working. If the alarm does 
not sound insure that the AC power is on (green LED is illuminated). 
If the AC power is on and you have already replaced the battery (if 
applicable), the alarm must be replaced. DO NOT use an open flame 
to test your alarm, you could damage the alarm or ignite combustible 
materials and start a fire.
Test the alarm weekly to ensure proper operation. Erratic or low sound 
coming from your alarm may indicate a defective alarm, and it should be 
returned for service (see Warranty section).
Alarms failing an alarm test, or not operating normally, must be replaced 
with a new alarm. Similarly, alarms more than 10 years old must be 
replaced.
 
Alarm Removal
If the smoke alarm tamper resist feature has been activated, refer to the 
Alarm Tamper Resist Feature section for removal instructions.
To remove the alarm from the mounting plate, rotate the alarm in the 
direction of the “OFF” arrow on the cover. To disconnect the AC Quick-
Connect wire harness, squeeze the locking arms on the sides of the 
Quick Connector while pulling the connector away from the bottom of 
the alarm (see Image 5).
3. Operation