User Guide
6
3. Other Alarm Visual and Audible Indicators
Operational Mode Visual Indications Audible Indications Action/Note:
Normal (standby) AC power: Green LED on continu-
ously during light conditions, or blink 
every 60 sec during dark conditions. 
DC power: Green LED blink approx 
every 60 sec.
Test (button press when 
no alarm condition is 
present)
• 4 patterns of Red/Amber/Green.
• Test: Red LED blinks in time with 
alarm pattern. Safety light will briey
illuminate on model P4010LACS-W.
• Green LED fade on/o at
test complete.
• Button press sound
• Voice: "Testing, this is very loud. 
Press now to cancel test. 5, 4, 3, 2, 1."
• 3 long beeps, Voice "Fire!", 3 long 
beeps, Voice "Test Complete," Power 
on/reset sound.
• Voice "Test Canceled" if button 
pushed before test sequence begins.
Perform Test/Hush button 
press once a week to verify 
proper alarm operation
* Push/release button before 
the countdown ends to 
cancel test.
Smoke Alarm Memory 
(unit has experienced 
a smoke alarm event 
within the last hour)
Red and Amber LED alternate on 1 
sec, every 10 sec.
After button push: "Smoke previously 
detected," only on the initiating 
alarm unit.
Push test button to clear 
Alarm Memory. NOTE: stan-
dard test sequence will follow. 
(Push/release button again to 
cancel test).
Smoke Alarm Hush 
Mode, (SMART HUSH® 
CONTROL)
Red LED blinks every 2 sec. After button push: "Hush Mode 
Activated." 
Smoke alarm pattern stops.
(If there is too much smoke to allow 
Hush: Voice "Too Much Smoke, Alarm 
cannot be Hushed" Smoke alarm 
pattern continues.)
This feature is to be used 
only when a known alarm 
condition, such as smoke from 
cooking, activates the alarm.
Locate None After button push on non-initiating 
unit, only initiating unit continues 
alarm pattern.
Use this to quickly locate the 
alarm source and determine if 
alarm is nuisance or real.
Smoke Alarm Hush 
Mode Canceled
None Voice message "Hush Mode 
Canceled."
When smoke levels drop 
below the alarm threshold, 
the voice message "Hush 
Mode Canceled" will occur .
Initiating Alarm,
(Multiple alarms in an 
interconnected system)
Green LED blinks once per sec indi-
cating that this is the unit initiating 
the alarm in an interconnected, 
multiple alarm, system.
Unit in Smoke Alarm mode. During alarm, the initiating 
alarm red blink will be inter-
rupted by a green blink.










