BRK electronic CO5120B Troubleshooting Guide, If your CO alarm does this It means You should

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CHAPTER 7: Troubleshooting Guide

DANGER!

ELECTRICAL SHOCK HAZARD. Turn off the power to the area where the CO alarm is installed BEFORE removing it from the mounting bracket or checking any electrical connections! Failure to turn off the power first may result in serious electrical shock, injury or death.

The following guide can help you identify a potential problem with the installation or operation of your CO alarm. It is not meant to be an all-inclusive list of all CO alarm conditions. If you are experiencing a condition not covered in the next several pages, please contact Consumer Affairs.

If your CO alarm does this...

It means...

You should...

 

 

 

Red light is OFF.

Unit may not be

Check the AC power supply. Make sure the power

Unit will not alarm when you

receiving any power.

connector is securely attached to the alarm.

press the Test/Silence button.

 

Make sure a fresh 9V battery is installed to

 

 

power the battery back-up.

 

 

 

Red light flashes once a minute

Alarm is not receiving

Unit is operating on DC battery back-up.

(horn is silent).

AC power.

Check the AC power supply.

 

 

 

Once a minute, the red light

Low battery warning.

Replace the battery in the battery back-up.

flashes and the horn “chirps”.

 

 

 

 

 

Once a minute, the alarm

Unit malfunction. Unit

Units under warranty should be returned to

sounds 3 quick “chirps”, and

needs to be replaced.

manufacturer for replacement. See Chapter 8

the red light flashes quickly

 

“Limited Warranty” for details.

three times.

 

 

 

 

 

CO alarm goes back into alarm

CO levels are

Refer to Chapter 3 “If Your CO Alarm Sounds” for

4 minutes after you press the

still potentially

details on how to respond to an alarm. If anyone is

Test/Silence button.

dangerous.

feeling ill, EVACUATE your home immediately and

 

 

call 911.

 

 

 

CO alarm sounds frequently

The CO alarm may be

Relocate your alarm. If frequent alarms continue,

even though no high levels of

improperly located.

have home rechecked for potential CO problems.

CO are revealed in an

Refer to “Where to

You may be experiencing an intermittent CO

investigation.

Install Your CO Alarm.”

problem.

 

 

 

If you have questions you cannot answer by reading the manual, call Consumer Affairs at 1-800-323-9005.

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Contents Model CO5120B-User’s Manual 120VAC 60 Hz .085A Standby .087A AlarmTable of Contents Introduction Basic Safety InformationCover Of Your CO Alarm HOW Your CO Alarm WorksGeneral Information Malfunction WarningBasic Operation Supply Voltage 120VAC 60Hz .085A Standby .087A Alarm CO Alarm SpecificationsWhere to Install CO Alarms InstallationA Single-level Home A Multi-level HomeDo not locate this CO alarm Where not to Install CO AlarmsBattery Compartment Lock Using the Optional Locking FeaturesTo Unlock the Battery Compartment Tools you will need Mounting Bracket LockBefore you begin installation HOW to Install Your CO AlarmParts Of This CO Alarm Activating the battery back-upSINGLE-STATION Installation Interconnecting Multiple CO Alarms Interconnecting Multiple CO AlarmsAC powered CO alarms will not operate To Install If the Alarm Sounds If Your CO Alarm SoundsDo not remove or disconnect the alarm Finding the Source of CO After an Alarm Using the Silence FeatureIf the CO alarm...remains silent Non-Interconnected or Stand-Alone Alarm Latching Alarm IndicatorInterconnected Alarms Weekly Testing Testing and MaintenanceRegular Maintenance To keep the CO alarm in good working orderSymptoms of CO Poisoning What is CO?What You Need To Know About CO Potential Sources Of CO Home How Can I Protect My Family? UL2034 Required Alarm Points What Levels of CO Cause an Alarm?Underwriters Laboratories Inc. UL2034 If your CO alarm does this It means You should Troubleshooting GuideDuring Testing Understanding the Light and Horn Patterns AC Power onUnderstanding the Light and Horn Patterns AC Power OFF General Limitations Of CO Alarms Page Page Limited Warranty

CO5120B specifications

The BRK electronic CO5120B is a state-of-the-art carbon monoxide detector that serves as an essential safety device for households and commercial spaces. Designed with advanced technologies and features, the CO5120B ensures reliable detection of carbon monoxide, a colorless and odorless gas that can be extremely harmful or even fatal.

One of the standout features of the CO5120B is its electrochemical sensor, which is both sensitive and accurate in detecting low levels of carbon monoxide. This technology not only enhances the unit's reliability but also ensures a quicker response time in the event of a CO leak. The detector has a measurement range of 30 to 999 parts per million (PPM), allowing it to monitor a wide range of potential threat levels.

The CO5120B also comes equipped with a digital display that shows real-time CO levels, providing users with instant information about the air quality in their environment. This feature is particularly beneficial as it enables users to assess potential risks immediately and take necessary actions before escalating issues occur. The display also features a peak level memory that records the highest level of carbon monoxide detected since the last reset, aiding in diagnosing potential problems over time.

Battery backup is another critical characteristic of the CO5120B. With a 9V battery backup option, the unit continues to provide protection even during power outages, ensuring that families and occupants remain safe under any circumstances. Meanwhile, an end-of-life signal alerts users when it's time to replace the detector, ensuring long-term effective monitoring.

The CO5120B is designed with a low-profile, sleek look, allowing it to blend seamlessly into any home decor. Its simple installation process requires minimal tools, making it accessible for DIY enthusiasts and everyday users alike. The device is also equipped with an easy-to-access test/reset button, allowing users to routinely check the functionality of the unit.

Overall, the BRK electronic CO5120B is a reliable and efficient carbon monoxide detector that prioritizes safety and user-friendliness. Its combination of cutting-edge sensor technology, real-time monitoring, battery backup, and added convenience features makes it an excellent choice for anyone looking to enhance their safety against this silent threat in the home or workplace.