Why Is My Garage Door Opener Beeping?

We’ve all been there. You’re trying to leave for work in the morning, you hit the button on your garage door opener, and…it starts beeping. Why is it beeping, and what can you do to make it stop? 

If you’re hearing a constant beeping sound coming from your garage door opener, there are a few potential causes. In this blog post, we’ll explore some of the most common causes and their solutions so let’s start.

Why Is My Garage Door Opener Beeping? (Causes + Solutions)

If you’re like most people, you probably don’t think much about your garage door opener until it starts making strange noises. But if your opener starts beeping, it’s critical to take notice and figure out what’s causing the problem.

There are a few different reasons why your garage door opener might start beeping, and each one has a different solution. Here are some of the most common reasons for beeping garage door openers and what you can do to fix them:

1. Low/Dead Battery

One of the most common reasons for a beeping garage door opener is a low battery. If your opener’s battery is running low, it will emit a beeping sound to let you know.

Most garage door openers have a backup battery that kicks in when the power is out. However, these batteries don’t last forever. Once the backup battery dies, the opener will start beeping to let you know that it needs to be replaced. 

Fortunately, replacing the battery on your garage door opener is a fairly simple task. In most cases, you’ll just need to remove the old battery and insert a freshly charged one. Most garage door openers use AA or AAA batteries, so you should be able to find them at any local store.

However, if your garage door opener is hardwired into your home’s electrical system, you’ll need to hire an electrician to replace the battery for you. 

2. Obstruction in the Sensor

Another common cause of beeping garage door openers is an obstruction in the sensor. The sensor is what tells the opener when something is in the way of the door, and if it’s blocked, it can cause the opener to beep.

To resolve this, simply clear away any debris or objects that might be blocking the sensor. You may need to use a ladder to reach the sensor if it’s located high up on the garage door.

3. Loose Connection

A loose connection could also be the cause of your garage door opener’s beeping. This is usually the case if the opener is old or has been damaged in some way.

You can fix it by just tightening or replacing the loose connection. This is usually a simple process, but you may need to consult your garage door opener’s manual for specific instructions.

4. Malfunctioning Keypad

Some garage door openers come with a keypad, and the keypad may be malfunctioning. This can cause the opener to beep intermittently or even continuously.

Keypads are usually easy to find and replace, just look for any damaged button or wire damage. Locate the damaged button or wire and repair it.

5. Damaged or Misaligned Garage Door

A damaged or misaligned garage door can also cause a beeping garage door opener. This can cause the opener to think that the door is still open even when it’s closed, which will trigger the beeping sound.

You should call a garage door repair company to fix this problem. They will be able to properly assess the situation and make any necessary repairs.

6. Faulty Circuit Board

If your garage door opener is beeping, it could also be due to a faulty circuit board. This is usually a more serious problem that will require the help of a professional.

A circuit board can become damaged due to a power surge. Therefore, if your opener is old or has been through a storm, the circuit board may be the problem. The right way to fix To solve this problem, you should contact a professional garage door repair company. The technicians will be able to assess the situation and make the necessary repairs.

7. Wrong Code Entered

If your garage door opener has a keypad, you may be entering the wrong code. This will cause the opener to beep continuously until the correct code is entered.

Simply re-enter the code and make sure that you’re using the right one. If you can’t remember the code, most opener manuals have a list of common codes that you can try.

8. Something blocking the sensors 

There may also be something obstructing the sensors at the bottom of your garage door, causing it to beep. The sensors are there to prevent the door from closing if something is in the way, so if they’re blocked, the door won’t close. Check to see if anything is blocking the sensors and move it out of the way if there is. 

9. Too Old opener

You should probably upgrade your opener if you’ve had it for more than 10 years. The newer models are much quieter and more reliable than older models, so it’s worth it to invest in a new one. 

10. Other Problems

There are a few other less common problems that can cause your garage door opener to beep. These include a low power or a problem with the opener’s wiring.

If you suspect that one of these other problems is the cause of your beeping garage door opener, you’ll need to consult a professional for help.

Trying to fix these problems yourself can be dangerous, so it’s always wise to leave it to the experts. Also, keep an eye on the batteries and on the opener itself so that you don’t even need to face the problem in the first place.  

How Often Should I Replace The Battery In My Garage Door Opener?

The frequency with which you’ll need to replace the battery in your garage door opener depends on a few factors.

One of the most influential factors is how often you use your opener. If you only open and close your garage door a few times per week, you might be able to last a year or more between battery changes. However, if you’re constantly opening and closing your garage door multiple times per day, you may need to change the batteries every few months. 

Another factor that can affect how often you’ll need to change your opener’s batteries is temperature extremes. Batteries tend to die quicker in very hot or very cold weather. That’s why it’s not uncommon for people who live in extreme climates to find themselves changing their opener’s batteries multiple times per year. 

So, the type of battery you use can also affect how often you’ll need to replace it. For example, lithium-ion batteries tend to last longer than lead-acid batteries. As such, if you use lithium-ion batteries in your opener, you may be able to rely on them for a year to two years, compared to six months or less with lead-acid batteries. 

Replacing A Dead Battery In Your Garage Door Opener:

Replacing A Dead Battery In Your Garage Door Opener
Replacing A Dead Battery In Your Garage Door Opener

In most cases, replacing the battery in your garage door opener is a quick and easy task that any homeowner can handle on their own. All you’ll need is a screwdriver and a rechargeable 9-volt alkaline battery (lithium-ion batteries are also an option but they tend to cost more). To replace the battery: 

Step 1: Start by disconnecting power to your opener by unplugging it from its 110-volt outlet or by flipping its circuit breaker switch off (if it’s hardwired into your home’s electrical system). 

Step 2: Open up your opener by removing its cover panel using a Phillips screwdriver (most models will have two screws holding down the cover). 

Step 3: Once the cover panel is removed, locate your opener’s backup battery (it will likely be mounted on one of the sides). 

Step 4: Remove the dead battery from its mount using a flathead screwdriver (be careful not to damage any wires while doing so). 

Step 5: Install the new 9-volt alkaline (or lithium-ion) battery paying close attention to maintain the correct polarity(+/-).  

Step 6: Replace your opener’s cover panel and restore power to your opener by plugging it into its outlet or flipping its circuit breaker switch back on (if it is hard-wired into your home’s electrical system).

Step 7: Test your upgraded battery by pressing the“OPEN” or“CLOSE” button to see if your garage door responds properly.

Why is my chamberlain garage door opener beeping 2 times?

Chamberlain garage door opener
Chamberlain garage door opener

There are a few reasons your Chamberlain garage door opener might be beeping twice.

  • If the battery LED is flashing orange, this is an indication that the battery is low. You can test the electrical outlet by plugging in a different device to see if it is receiving power.
  • These sensors are located at the bottom of the garage door opener unit. They are used to detect if there is anything in the way of the door as it is closing. If something is blocking the sensors, the opener will beep twice as an indication that it needs to be moved.

Why is my garage door opener beeping every 30 seconds?

It could be that the opener’s batteries are running low and need to be replaced. Alternatively, there may be something obstructing the photo eye sensors, which are responsible for telling the opener when something is in the way of the door.

If neither of these seems to be the issue, it’s prudent to consult with a professional to diagnose the problem.

Why does my garage door opener flash 2 times?

There could be many reasons why your garage door opener flashes 2 times.

  • One possibility is that the safety sensors are misaligned and are not properly detecting an obstruction. If this is the case, you will need to realign the sensors.
  • Another possibility is that something is blocking the infrared beam between the opener and the receiver, which will need to be cleared.

Why does Liftmaster garage door opener flash after every 30 seconds?

If your Liftmaster garage door opener flashes after every 30 seconds, it may be because the unit is not getting enough power. Check to make sure that the power cord is plugged into a working outlet and that the circuit breaker hasn’t been tripped.


You might hear your garage door opener beeping for a variety of reasons. You can usually fix it yourself in most cases. However, if the problem is more serious, it’s advisable to call a professional for help.

Whatever the cause of the beeping may be, it must be resolved as soon as possible. There is usually a serious problem when you hear beeping.

You might be wondering why your garage door opener is beeping after reading this article.