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Change battery light is on and it;s chirping. How do I do that and how can I disable the alarm in the meantime?

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The BX900R is a great unit, works great. The replacement battery for the BX900R is quite affordable and will make your unit work for a very long time.

Posted on Feb 08, 2010


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My first alert fire alarm is chirping...three quick please...the noise is driving me crazy

replace the flat battery
normally a chirping alarm is indicating that the battery is going flat and the alarm is no longer reliable
most fire authorities recommend a anniversary date and change the battery on that date for example ---every christmas eve

Nov 27, 2016 | Cars & Trucks

1 Answer

2001 mitsubishi eclispse gs wont start how do you bypass the security system

  • 1 Turn the ignition key counter clockwise in the driver's side door to unlock the caricon1.png. This deactivates the alarm long enough for you to gain access to the vehicle. Then, place the key in the ignition and turn the key until it clicks once. This starts the car's battery, but doesn't ignite the engine. The LED light on the dashboard should stop blinking, indicating the alarm is temporarily disabled.
  • 2 Locateicon1.png the box for the alarm under the dashboard on the driver's side of the car. Then, look for the override button on the box. Typically, the small button is either red or black. With the ignition key in the "on" position, press the override button and hold it in until the alarm chirps once. This disables the alarm until you manually reactivate it.
  • 3 To reactivate the alarm, turn the key to the "on" position and press the override button once. The alarm chirps twice, indicating the alarm is active.

  • Hope this helps!

    Mar 15, 2014 | 2001 Mitsubishi Eclipse

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    My kidde AC smoke alarm I12020 chirps at night then come daylight it makes no noise

    Most "chirping" is indicative of low batteries. Perhaps your smokes are improperly wired through a light switch? As to locating, try using a piece of tape over the sound port to change the sound; with these problems there are often more than one causing it. Check also to see if you have any CO alarms that were plugged into a switched outlet. Most of these also have battery backup. Good luck!

    Mar 08, 2013 | Kidde Kiddie Ac Wire-in Smoke Alarm I12020

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    My new Firex 21007581 with a new battery keeps chirping. What is the problem and how do I fix it? Thanks Sal

    He said it had a new battery so he already did that and why would you service a $12 throw away smoke alarm? This FIREX he identified is the 4618 and will also chirp while the LED light blinks, chirp is about 30 seconds after blink if the unit itself needs to be replaced because there is something wrong with it as opposed to a different chirp pattern for battieries. If still unerwarrantee FIREX will replace otherwise go buy a new one.

    Sep 07, 2011 | Kidde 21007581 120v Firex 4618 Pro Basic...

    1 Answer

    My alarm chirps every 30 seconds and i have removed the battery

    This is a really odd situation. In that you have removed the battery and it still chirps, as if the battery was still installed, but was getting weak. So odd, that I took a look at the Owners Manual online to see what it had to say about it.

    According to the Owners Manual this is a totally battery operated unit. When I read your problem/question, I thought it might also be a hardwired unit with a battery backup, in case of a power outage. But, that's not the case. I also learned that this detector can be used with a remote control.

    In any event, the only thing I can think of is that the ionization feature may store some residual power, which causes the detector to chirp even if the battery is removed. I that's the case, it should weaken over time. But, in the meantime, the chirping is annoying.

    In the meantime try silencing the alarm by Pressing the Test/Silence button on the alarm cover for at least 3-5 seconds. Hopefully, that will quiet it.

    Also, the detector may need cleaning, as dust, dirt and lint accumulations can block the sensors.

    Juts in case you've misplaced your Owners Manual, I have included a downloadable link, that you can print for future reference.

    Hope this helps you.

    Feb 22, 2011 | First Alert SA302 Dual System Smoke...

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    I had to change the battery. After replacing the new battery all systems work, but the car won't turn over and the factory alarm is blaring. How do I disable the factory alarm? I do not have the...

    If you have the Toyota factory alarm, there should be button under the driver's side dash to reset the alarm....Look for it 1st, then read below.

    Put the key in the ignition, and turn forward
    all the way just before cranking, to the ON position.

    Then within 5 seconds, locate, press and hold in the
    valet/overide button, found under the
    dash area, (push button, spring loaded)
    until the installed LED (the blinking light)
    in your dash area goes on solid,
    and the siren chirps once.

    (Your valet switch might be the toggle
    (on/off) type. in this case, key on,
    flip switch in opposite direction,
    then turn the key off.)

    This should reset the alarm, and reset
    the grounded relay on the starter wire,
    allowing you to start the engine.

    At this point, the only thing working would
    be the keyless entry from the alarm,
    if it came equipped that way.

    Just Repeat these steps to place it
    back to usable armed mode.
    You may get 2 chirps, confirming it,
    and the lights may flash twice as well.


    Aug 10, 2010 | 1997 Toyota Camry

    2 Answers

    Replaced 9 v batteries, units still chirping

    This is the troubleshooting information from the kddie site. The problem is usually related to an older battery or improperly installed battery. You might also have to do a reset as described below. If battery and cleaning don't work, it might be time for a replacement - short money to keep you and your home safe.

    1. The battery may be loose, or improperly installed.
      Verify that a battery of the recommended type is securely installed. Make sure to use a battery with a use-by date no later than four to five years in the future. Check that the battery is snapped in completely so it cannot be shaken loose. It’s possible that battery connections may not be making good contact with the battery. Disconnecting and re-connecting the battery once or twice will likely fix this condition. On units with a front-load battery, be sure that the battery compartment door is closed completely as well. Loose white neutral wire can cause an echoing chirp. (From one unit to the next)

    2. The smoke alarm sensing chamber may be dirty.
      Dust and insects can collect in the sensing chamber of the alarm. An accumulation of dust in the sensing chamber can cause the unit to chirp. It is good practice to clean the smoke alarm when you change the battery. Static electricity from the ac quick connector attracts dust and can cause false alarms.

      Cleaning smoke alarms:
      To clean your alarm, remove it from the mounting bracket as outlined here. You can clean the interior of your alarm (sensing chamber) by using compressed air or a vacuum cleaner hose and blowing or vacuuming through the openings around the perimeter of the alarm. The outside of the alarm can be wiped with a damp cloth. After cleaning, reinstall your alarm, verify the green LED is on and test your alarm by using the Test Button. If cleaning does not restore the alarm to normal operation, the alarm should be replaced.

    3. Check environmental conditions:
      • Humidity, steam and condensation can cause false alarms. Causes of condensation are:
        • Extreme temperatures changes.
        • High ambient humidity.
        • Unit being installed in an uninsulated electrical box mounted on a ceiling beneath an attic. If this condition exists you’ll want to move the alarm. Click here to see the correct alarm placement in your user’s manual found in our Download Center.
      • Check to see if there is a cooling/heating register, a ceiling fan or an open window within 3 feet of the alarm. If there is, move the alarm away from the source of the increased airflow. Click here to see the correct alarm placement in your user’s manual found in our Download Center.
      • Check the temperature of the room. Smoke alarms operate at 40 degrees to 95 degrees Fahrenheit. Carbon monoxide alarms operate at 40 degrees to 100 degrees Fahrenheit.

    4. Reset the alarm.
      Some current model smoke alarms have a processor that retains certain error conditions, such as a weak battery. The error condition should reset when the battery is replaced but sometimes it does not and must be manually reset to clear the error.

      To reset an AC unit with a battery backup:
      Turn off the power to the smoke alarm at the circuit breaker.Remove the smoke alarm from the mounting bracket and disconnect the power. Remove the battery. Press and hold the test button for at least 15 seconds. The unit may chirp or alarm for a few seconds before going silent.Reconnect the power and reinstall the battery. The unit will chirp once when the power is restored and should not chirp afterwards.

      To reset a DC only unit:
      Remove the battery. Press and hold the test button for at least 15 seconds. The unit may chirp or alarm for a few seconds before going silent.Reinstall the battery. The unit will chirp when the battery is first connected but should not chirp afterwards.

    5. An electrical condition may be causing the power to the unit to be interrupted.
      If the AC power to the unit is interrupted, the unit will chirp when the power is restored. This could be caused by power surges.
      If the chirping seems to occur at about the same time in the evening or morning, it could be due to a surge created when the power company switches electrical grids to meet demand. Check to see if the chirp (or chirping) occurs when something else in the house is turned on such as an exhaust or attic fan, a heater, etc. If the smoke alarm is connected to a circuit with such a device, the alarm may chirp when the other device is switched on. If this is the case and the device is plugged into a wall outlet, move it to another outlet on a different circuit. If it is a hardwired device, have an electrician investigate it. These conditions can be minimized by installing your alarms on a dedicated circuit in compliance with NFPA requirements.

    6. Replace the alarm.
      If none of these conditions exist and the suggestions don't alleviate the symptom, the alarm should be replaced. Age may be a factor. Smoke and heat alarms should be replaced every 10 years, and carbon monoxide and combination alarms should be replaced every 7 years. Most of our alarms have a 5 year warranty from date of purchase (check your user manual for details). A date code is stamped on the label attached to the back of the unit.

    Feb 02, 2010 | Kidde 1275 Hardwire Smoke Alarm with Hush...

    1 Answer

    I changed the battery in my smoke alarm and it is still chirping. What can the problem be?

    Use a quality battery duracell or energizer. Not ones from the dollar store.

    Chirping means low battery.

    Jan 25, 2010 | Kidde 1275 Hardwire Smoke Alarm with Hush...

    1 Answer

    My alarm is chirping every 30 seconds. This is my second one. no light .

    An intermittent chirp usually indicates that the battery needs changing, or a battery needs to be installed. If this is a new unit that came with the battery already inside, there is probably a tab located between the top of the battery and the contacts that needs removing before the unit will stop chirping.

    Nov 20, 2009 | Home Security

    3 Answers

    Smoke alarm keeps chirping.

    I am having problems seeing if you have any more data besides "smoke alarm keeps chirping." so I will ask; have you tried changing the battery?

    Sep 06, 2009 | Kidde 1275 Hardwire Smoke Alarm with Hush...

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