Page 12
GAS
BLUE LED
AUDIBLE & VISUAL SIGNALS
POWER
GREEN LED
HORN
OPERATIONAL SUMMARY
CONDITION / RECOMMENDATION
Silent
Off
On and Blinks
Off approx
every 20
seconds
Off
Condition:
AC power is present. DC power is present.
Recommendation:
None
CO
RED LED
Silent
(alarmed
previously)
On and Blinks
Off approx
every 20
seconds
Off and Blinks
On approx.
every 5
seconds until
reset
Silent
Off
Off and Blinks
On approx
every 40
seconds
Off
Condition:
Alarm is powered by battery backup. AC Power is not
present.
Recommendation:
Check the breaker or fuse box for power. If the breaker
or fuse box looks normal, call a licensed electrician for assistance.
4 Beeps,
5 second pause,
1 beep
Blinks On in
sync with
the 1 beep
Turns off
when the
3 beeps start
Blinks On in sync
with the cycle of
4 beeps and
turns off
Condition:
The test/silence button has been pressed. The test sequence
lasts for approx. 7 seconds.
Recommendation:
None
Off
*See below
Off
Horn does not
sound when
other alarms
are active
or when
interconnected
alarm’s
test/reset
button is
pressed
4 Beeps,
5 second pause,
repeat
Off
Blinks On in
sync with
4 beeps
Condition:
Originating CO Alarm.
Recommendation:
,IKD]DUGLVLGHQWL¿HGWDNHDOOSUHFDXWLRQVLIDQDODUP
sounds by calling an Emergency Service and getting out of the home.
4 Beeps,
5 second pause,
repeat
Off
Turns off
when the
4 beeps start
Off
Condition:
1RQRULJLQDWLQJ&2$ODUP
Recommendation:
An interconnected CO alarm has sensed CO, causing
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if an alarm sounds by calling an Emergency Service and getting out of
the home.
Turns off
when the
4 beeps start
1 Beep,
2 second pause,
repeat
Off
Blinks On
in sync
with the
1 beep
Condition:
Originating GAS Alarm.
Recommendation:
,IKD]DUGLVLGHQWL¿HGWDNHDOOSUHFDXWLRQVLIDQDODUP
sounds by calling an Emergency Service and getting out of the home.
1 Beep,
2 second pause,
repeat
Off
Turns off
when the
1 beeps starts
Off
Condition:
1RQRULJLQDWLQJ*$6$ODUP
Recommendation:
An interconnected GAS alarm has sensed GAS,
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precautions if an alarm sounds by calling an Emergency Service and
getting out of the home.
Turns off
when the
1 beeps starts
Off or Blinks
On in
sync with
the 1 beep
Condition:
Nuisance Alarm.
Recommendation:
If there is no hazard present, verify the alarm is
mounted in the correct location (see User’s Manual). Reset alarm as
instructed below.
Horn sounds
when no
hazard is
present
Off or Blinks
On in sync
with 4 beeps
Turns off
when the
beeps start
4 Beeps,
5 second pause,
repeat
Blinks
On in sync
with 4 beeps
Off
Turns off
when the
4 beeps start
Condition:
CO alarm when cause of alarm is known and poses no threat.
Recommendation:
The CO alarm Silence Feature can be activated by pressing
and releasing the Test/CO Silence button on the initiating alarm while in alarm
condition. The alarm will remain silent for approx. 5 minutes (with the red LED
blinking on approx. every 10 seconds), depending on the level of CO detected.
If CO levels drop below alarm levels, the alarm will remain silent and return to
normal operation. If CO levels remain constant or increase, this indicates a
potentially dangerous situation and the horn will sound again. Ventilate area.
Off and
Blinks On
approx.
every 5
seconds
until reset
Condition:
One or more alarms not responding to interconnected alarm.
Recommendation:
Press and hold the 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 make sure the yellow wire is not mistakenly
or accidentally connected to the white (neutral) wire.
Condition:
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Recommendation:
48,&.),1'$ODUP2ULJLQDWLRQ,QDQLQWHUFRQQHFWHG
V\VWHPLWLVGLI¿FXOWWRGHWHUPLQHZKLFKDODUPLQLWLDWHGWKHDODUPVWRVRXQG
The QUICK FIND® feature will immediately allow you to locate the originating
alarm (once the alarms have stopped sounding). To initiate QUICK FIND®,
press and hold the test/silence button on any alarm until the test sequence
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sequence is designated by the alarm type. Once this test sequence ends,
the originating alarm continues to sound for approximately 60 seconds.
Page 13
GAS
BLUE LED
AUDIBLE & VISUAL SIGNALS
POWER
GREEN LED
HORN
OPERATIONAL SUMMARY
(continued)
CONDITION / RECOMMENDATION
CO
RED LED
Silent
(alarmed
previously)
Off and Blinks
On approx
every 5
seconds
until reset
On and Blinks
Off approx
every 20
seconds
Off and Blinks
On approx
every 5
seconds
until reset
Condition:
Alarm needs to be reset due to abnormal operation/previous
alarms.
Recommendation:
To reset the alarm, hold the Test/Silence button for 10
seconds or until the blue LED turns on. This will clear the alarm origination
and latching LEDs. Reset after each alarm event.
Horn has
stopped
sounding
Off
On and Blinks
Off approx
every 20
seconds
Condition:
Latching CO LED indicator. The alarm has previously detected
CO and had alarmed.
Recommendation:
Follow the reset instructions to remove the latching
LED.
Horn has
stopped
sounding
On and Blinks
Off approx
every 20
seconds
Off
Condition:
Latching GAS LED indicator. The alarm has previously detected
GAS and had alarmed.
Recommendation:
Follow the reset instructions to remove the latching
LED.
1 Chirp
approx.
every 40
seconds
Off
On and Blinks
Off approx
every 20
seconds
Off
Condition:
Low battery.
Recommendation:
Check to make sure a battery is present in the drawer,
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 Chirps
approx.
every 20
seconds
Off
On and Blinks
Off approx
every 20
seconds
Off
Condition:
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Recommendation:
Reset the alarm. If this does not clear the problem,
replace alarm.
2 Chirps
approx.
every 20
seconds
Off
On and Blinks
Off approx
every 20
seconds
Off
Condition:
3URGXFW(QGRI6HUYLFH/LIH1RWL¿FDWLRQ
Recommendation:
5HSODFH WKH DODUP LPPHGLDWHO\7KH SURGXFW HQGRI
VHUYLFHOLIHQRWL¿FDWLRQFDQEHWHPSRUDULO\VLOHQFHGIRUDKRXUSHULRGIRU
up to 20 days. After 20 days, the warning cannot be silenced. The alarm
should be replaced immediately.
* During 120 volt operation On and Blinks Off approx. every 20 seconds.
During 9 volt (DC backup) operation, blinks On approx. every 40 seconds.
Off and Blinks
On approx
every 5
seconds
until reset
Off and Blinks
On approx
every 5
seconds
until reset
RESET INSTRUCTIONS:
Press the Test/Silence button for 10 seconds, or until the blue LED turns on, and then release. This will clear the alarm
latching LED’s and clear the alarm origination. Be sure to RESET alarms after each alarm event.
QUICK FIND® Alarm Origination/Location Feature
: The QUICK FIND® feature will allow you to immediately locate the originating alarm (the alarm
that triggered the other alarms), once the alarms have stopped sounding.
3UHVVDQGKROGWKHWHVWVLOHQFHEXWWRQRQDQ\DODUPXQWLOWKHWHVWVHTXHQFHRQWKLVDODUPEHJLQV5HOHDVHWKHWHVWEXWWRQ7KHVSHFL¿FKRUQSDWWHUQ
sequence is designated by the alarm type.
2. Once this test sequence ends, the originating alarm continues to sound for approximately 60 seconds, which provides ample time to locate the
originating alarm.
3. Remember to
reset
the
originating alarm
in order to clear the QUICK FIND® and return the system to normal operation.
NOTE:
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and we will gladly assist you.
288-3508-07
©
2012 UNIVERSAL SECURITY INSTRUMENTS, INC., Rev. 07/2016 CD
Printed in China
SEVEN-YEAR LIMITED WARRANTY
MODELS MCN
108 and
MCN
108L
86,(OHFWULF,QF8QLYHUVDO6HFXULW\,QVWUXPHQWV,QF³86,´ZDUUDQWVWKLVSURGXFWWREHIUHHIURP
defects in material and workmanship for a period of seven (7) years from the date of purchase.
This warranty shall not apply to any batteries used in the product or to any damage which may be
caused by such batteries. This warranty applies only to the original consumer purchaser and only
to products used in normal residential use and service. If this product is found to be defective,
USI’s only obligation, and your exclusive remedy, is the repair or replacement of the product, at
USI’s discretion, provided the product has not been damaged through misuse, abuse, accident,
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LVIRXQGWRKDYHEHHQLPSURSHUO\LQVWDOOHGVHWXSRUXVHGLQDQ\ZD\QRWLQDFFRUGDQFHZLWKWKH
instructions supplied with the product.
ALARM RETURNS
For replacement of this alarm under the terms of this Warranty, contact Customer Service at
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a particular purpose, other than the warranty contained herein. No implied warranty on this product,
created by state law, shall extend beyond the term of this warranty unless such law otherwise
SURYLGHV86,VSHFL¿FDOO\GLVFODLPVDQ\OLDELOLW\DQGVKDOOQRWEHOLDEOHIRUDQ\FRQVHTXHQWLDORU
incidental loss or damage, including, but not limited to, damages to any equipment with which this
product is used. Some states do not allow the exclusion or limitation of incidental or consequential
damages, so the above limitations or exclusions may not apply to you. No agent, representative,
dealer, or employee of the company has the authority to increase or alter the obligations or terms
RIWKLV:DUUDQW\7KLV:DUUDQW\JLYHV\RXVSHFL¿FOHJDOULJKWVDQG\RXPD\DOVRKDYHRWKHUULJKWV
which vary from state to state. This Warranty is only valid for merchandise purchased from outlets
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LITHIUM BATTERY LIMITED WARRANTY
7KH8OWUDOLIHEDWWHU\PRGHOV89/-DQG89/-3DUHZDUUDQWHGE\8OWUDOLIH&RUSRUDWLRQLQWKLV
alarm ONLY and are not warranted in any other device. Submit your warranty claim through the
8OWUDOLIHZHEVLWHZZZXOWUDOLIHFRUSFRPRUFDOO
11407 Cronhill Drive, Suite A
Owings Mills, Maryland 21117 USA
Visit Us on the Web!
www.USI Electric.com