Universal Security Instruments MDS101L User Manual
Page 9
FCC PART 15 RADIO FREQUENCY DEVICES
This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the
FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to radio communications, However, there is no guarantee
that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to
correct the interference by one or more of the following measures:
-- Reorient or relocate the receiving antenna.
-- Increase the separation between the equipment and receiver.
-- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
-- Consult the dealer or an experienced radio/TV technician for help.
Page 9
THIS PRODUCT IS LISTED TO UL STANDARD FOR SAFETY,
UL217 BY UNDERWRITERS LABORATORIES, INC.
Blinks On once
approx every
40-45 seconds
Stays On
AC Power is present. DC Power is present.
Blinks On once
approx every
40-45 seconds
Off
AC Power is not present and alarm is receiving DC
Power. Check the breaker or fuse box for power. If the
breaker or fuse box looks normal, call a licensed
electrician for assistance.
OPERATIONAL SUMMARY
Silent
Silent
Blinks On
approx every
2 seconds
Stays On
Nuisance Alarm - If there is no hazard present, verify
the alarm is mounted in the correct location (see User's
Manual, "AVOID THESE LOCATIONS" section). Reset
alarm as instructed below.
Horn does not
sound when other
alarms are active
or horn does not
sound when
inter-connected
alarm's test
button is pressed
Blinks On once
approx every
40-45 seconds
Stays On
or Off
Press and hold the smoke alarm Test/Silence button
for at least 5 seconds. If still no alarm, turn off AC Power
at the circuit breaker or fuse box and disconnect the
alarm from the mounting bracket and make sure the
connector plug is securely attached on units that did
not alarm. If still no alarm, have a licensed electrician
check to see if the yellow wire is connected to the neutral
wire.
3 Beeps,
2 second pause,
Repeat
Blinks On
approx every
2 seconds
Stays On
Originating Smoke Alarm - If hazard is identified, please
take all precautions if an alarm sounds by calling an
Emergency Service and getting out of the home.
3 Beeps,
2 second pause,
Repeat
Off
Stays On
Non-originating Smoke Alarm - Another interconnected
smoke alarm has sensed smoke, causing all
interconnected units to sound.
Blinks On once
approx every
40-45 seconds
(normal operation
mode) or Blinks on
once approx every
10 seconds
(silence mode)
Stays On
QUICK FIND
®
Alarm Origination - In an interconnected
system, it is difficult to determine which alarm initiated
the alarms to sound. The
QUICK FIND
®
feature will
allow you to immediately locate the originating alarm
(once the alarms have stopped sounding). To initiate
QUICK FIND
®
, press the Test/Silence button on any
alarm; and, after releasing the button, the originating
alarm will continue to sound for approx 60 seconds.
Reset the originating alarm. NOTE: In a non-
interconnected installation, it is necessary to test each
alarm to determine the originating alarm.
Blinks On once
approx every
40-45 seconds
Stays On
To Reset the Alarm - Hold the Test/Silence button for 10
seconds. This will clear alarm origination and clear
Silence mode. Reset after each smoke alarm event.
Silent
1 Chirp approx
every 40 seconds
Stays On
Low Battery - Check to make sure the battery activation
pull tab has been completely removed, battery polarity
is correct and the battery terminals are making contact
with the smoke alarm contacts in the battery drawer. If
chirp continues, replace the 9V battery (see User's
Manual for recommended battery types).
3 Beeps,
2 second pause,
Repeat
3 Beeps,
2 second pause,
Repeat
Stays On
Silence Feature is activated by pressing and releasing
the Test/Silence button on the initiating alarm while in
alarm condition. Silence mode will last for approx 8-12
minutes.
Blinks On
approx every
2 seconds
Silent
(alarmed
previously)
CONDITION OF ALARM AUDIBLE & VISUAL SIGNALS BEFORE SOLUTION / RECOMMENDATION
SOLUTION / RECOMMENDATION
HORN
RED LED
GREEN LED
Blinks On once
approx every
40-45 seconds
(normal operation
mode) or Blinks on
once approx every
10 seconds
(silence mode)
Blinks On once
approx every
40-45 seconds
1 Beep approx
every 60 seconds
Stays On
End-of-Service Life alarm. The alarm should be replaced
immediately.