Universal Security Instruments MCND601CN User Manual download pdf (Page 11)

Page 11

On and Blinks

off approx every

20 seconds

AC Power is present. DC power is present

Silent Off and Blinks

on approx every

40 seconds

Off Off Alarm is powered by battery backup. AC Power is not

present. Check the breaker or fuse box for power. If the

breaker or fuse box looks normal, call a licensed

electrician for assistance.

1 beep,

1 second

pause,

4 beeps,

5 second

pause

Turns off

when the

4 beeps start

Blinks in

sync with

cycle of the

first beep

Blinks in

sync with

cycle of

4 beeps

The TEST button has been pressed. The test sequence

lasts for approximately 8 seconds after the button is

released.

4 beeps,

5 second

pause,

repeat

Off Off Blinks in

sync with

cycle of

4 beeps

Originating CO alarm - If a hazard is identified, please

take all precautions when an alarm sounds by calling an

Emergency Service and getting out of the home.

1 beep,

1 second

pause,

repeat

Turns off

when the

beeps start

Blinks in

sync with

the horn

Off

Originating Gas alarm - If a hazard is identified, please

take all precautions when an alarm sounds by calling an

Emergency Service and getting out of the home.

Horn sounds

when no

hazard is

present

On and blinks

off approx every

20 seconds

Blinks when

no hazard is

present

Blinks when

no hazard

is present

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.

Silent On and blinks

off approx every

20 seconds

Off

The CO Alarm Silence Feature is activated by pressing

and releasing the SILENCE button on the initiating alarm

while in alarm condition. The alarm will remain silent for

approx. 4 minutes, 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

potentially dangerous situation and the horn will sound

again. Ventilate area.

Off and

blinks on

approx every

10 seconds

until reset

Off Off

POWER

GREEN LED

RED LED

CONDITION OF ALARM AUDIBLE & VISUAL SIGNALS BEFORE SOLUTION / RECOMMENDATION

Silent

GAS

BLUE LEDHORN

OPERATIONAL SUMMARY

Silent On and blinks

off approx

every

20 seconds

Off and

blinks on

approx every

10 seconds

until reset

Off

The Gas Alarm Silence Feature is activated by pressing

and releasing the SILENCE button on the initiating alarm

while in alarm condition. The alarm will remain silent for

a maximum of 20 seconds. If Gas levels drop below alarm

levels, the alarm will remain silent and return to normal

operation. If Gas levels remain constant or increase, this

indicates potentially dangerous situation and the horn

will sound again. Ventilate area.

CO Alarm Latching LED Indicator - The alarm has

previously detected CO and had alarmed. Follow the

reset instructions to remove the latching LED.

Off and

blinks on

approx every

5 seconds

until reset

Silent

On and blinks

off approx

every

20 seconds

Off

Gas Alarm Latching LED Indicator - The alarm has

previously detected Gas and alarmed. Follow the reset

instructions to remove the latching LED.

Off and blinks

on approx

every

5 seconds

until reset

1 beep,

1 second

pause,

4 beeps,

5 second

pause

Turns off when

the horn starts

Blinks in

sync with

the first beep

To reset the Alarm LED's, press the RESET button for 2

seconds. This will clear the Alarm LED's and clear the

Silence mode.

MCND-401CN and MCND601CN Series only: To reset

the peak CO memory, press and hold the RESET button

for 5 seconds until the peak level is cleared. The display

screen will display "000" when the peak CO level is reset

and then return to "- - -."

Blinks in

sync with

cycle of 4

beeps

3 chirps

approx every

20 seconds

Off Off Trouble/Service Alarm. Replace the alarm.Off

2 chirps

approx every

20 seconds

Off Off End-of-Service Life Alarm. Replace the alarm.Off

1 chirp

approx every

40 seconds

On and blinks

off approx

every

20 seconds

Off 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 alarm contacts in the battery compartment. If chirp

continues, replace the 9V battery.

Off

Silent Off Off

SOLUTION /

RECOMMENDATION

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Universal Security Instruments MCND601CN User Manual Page 11

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