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How To Fix A Wireless Doorbell? | All You Need To Know

You can fix your wireless doorbell at home by performing several checks and narrowing down the source of the problem. These may involve battery checks, proper positioning, rebooting the device and the app, and weather damage checks, to name a few. 

How To Fix A Wireless Doorbell

Wireless doorbells are more convenient and accessible than wired ones, but like most electronics, they can sometimes malfunction. A wireless doorbell not working can become a nuisance very rapidly as you miss out on visitors standing on your doorstep. 

So, to help you solve any issues with your wireless doorbell and keep it safe from future problems, we’ve created a troubleshooting guide for you to follow. The pertinent information is just a scroll away! 

How Does A Wireless Doorbell Work?

The man is ringing doorbell of office building. How Does A Wireless Doorbell Work.

A wired doorbell is simple enough: the visitor presses the doorbell button that completes an active circuit, creating a ringing sound. On the other hand, wireless doorbells are quite different since the doorbell isn’t physically connected to a speaker for the sounds to be emitted.

Most wireless doorbells work on radio wave frequencies, sending radio signals to a receiver that picks up the signal when the doorbell button is pressed. The receiver could be a dedicated remote control for the doorbell, or it could even be your smartphone. This is then followed by a sound, light or a combination of both to alert you of potential visitors.

The complexities involved in executing this process makes troubleshooting a wireless doorbell more challenging than a wired one. A wireless doorbell involves intricate circuitry, fixing any problem with which is usually left best in the hands of a professional. 

That said, you can follow some of our DIY troubleshooting tips to prevent or solve some issues with the doorbell.

Troubleshoot Your Wireless Doorbells

The intricacies involved in a wireless doorbell’s workings mean that several small things could go wrong to stop it from functioning. So, we will now help you to find what’s wrong with your device and how you can fix it. You’ll only need a screwdriver and a few spare batteries.

1. Doorbell Button Not Working

When you press the button on a wireless doorbell for uPVC doors (or any other door, for that matter), it usually emits a sound from the chime unit. 

Now, there are a number of issues that could lead to wireless doorbell buttons not working, with the most obvious of them being drained batteries. So, it’s recommended to check the doorbell and the door chime unit batteries before moving on to the other parts.

 As for other issues like a damaged button or chime unit, you can spot them when you install a wireless doorbell for the first time.

Solving The Issue

Use a screwdriver to remove the battery compartment of your devices and replace the batteries in your doorbell and chime units one by one. You can pinpoint which unit has the faulty batteries by checking each battery in a different device.

Once you’ve done so, try turning your units on again and see if they function normally. If they do, good job! If not, let’s move on to the next step.


Sometimes, the issue may not be with the battery but with the battery connectors. You can use cotton swabs dipped in vinegar to clean the terminals and dry the compartment with a clean cloth afterward. There’s no need to throw away fresh batteries, is there?

If you’re looking to learn more about batteries, check out our guide titled “Can You Recharge CR123A Lithium Batteries?”

2. Signal Issues

Since wireless doorbells work on radio wave frequencies, there’s a chance that the signal emitted by the doorbell unit no longer reaches the receiver. This can occur due to a number of factors, such as the number of walls between the unit and the receiver. In some cases, other electronics may interfere with the signal sent by the doorbell transmitter, resulting in the receiver not detecting it.

Usually, the signal range is quite liberal, with some devices ranging up to 100m, making the receiver placement the actual culprit.

Solving The Issue

Relocate the receiver so that it’s closer to the doorbell transmitter. If possible, try to limit the number of walls between the two units as well. There’s a good chance this fixes the issue, but if it doesn’t, let’s explore more options.


There’s a greater chance that your doorbell system isn’t functioning properly because of interference caused by other wireless devices. This may also result in your doorbell going off randomly, even when there is no visitor at your door. Try to relocate your receiver to a place where there are few electrical devices in its vicinity.

3. Weather Problems

Environmental factors are often overlooked when purchasing a new wireless doorbell. For example, if you live in a place where it just won’t stop raining, there’s a chance that your doorbell system simply weathered under the weather.

Likewise, too much temperature fluctuation can damage the doorbell, thereby affecting its functioning.

Most doorbells come with a protection rating that will inform you of their resistance to the weather and their capability to resist water. You can check your manual to see if this issue has occurred with your doorbell.

Solving The Issue

There are only a few things that you can try with your doorbells if the weather damage is extensive. Use a screwdriver to open the panel and check how badly the unit has been damaged. In some cases, cleaning the unit alone can solve all your doorbell woes, otherwise you may need to have it looked at by a technician.

In the worst cases, you’ll see extensive rusting in the metallic parts of the unit, or wires that have seen better days in such cases. As a result, you may have to replace the broken doorbell, but it all depends on how bad the damage is.

4. Wireless Doorbell Chime Not Loud Enough

Your doorbell may not be loud enough for you to hear from another room, or even in its vicinity. This issue occurs primarily due to two reasons: the positioning of the speaker and volume control. 

If the doorbell is positioned in a way that blocks its chime box, its sound may become muffled, unable to be audible from across the house. This is an easy problem to fix in most cases.

Alternatively, your doorbell volume may not be high enough, which you can check in the bell’s instruction manual.

Solving The Problem

All you need to do if your doorbell chime box is blocked is to reposition it and give the speaker ample room. Some models have the counterintuitive design of having the speaker on the same side as the bell. In such cases, place your doorbell on a flat surface, such as a shelf, from where it can be heard easily.

As for the volume control, follow the instructions listed on the owner’s manual. Some doorbell models come with built-in volume control that you can adjust using the unit itself or with a mobile app.

5. Security Code Swap

If your doorbell was disconnected from the receiver unit, it could lead to the device not functioning at all. This is due to the security codes on both units not matching properly, resulting in the doorbell unit being unable to signal the receiver.

Solving The Problem

This issue can usually be fixed by resetting both the doorbell and the receiver units. The units should sync up once you’ve reset the consoles and input a new security code, and the doorbell should function once again. Refer to the owner’s manual for instructions specific to your doorbell, as this process may vary between different models.

6. Video Doorbell Troubles

Automated doorbell units operate using a stable internet connection and so, the issues you’ll face are likely associated with the WiFi connection or the power. A poor WiFi connection may cause the doorbell to freeze, which is when you should check if the internet services are down in your area.

Solving The Problem

If you own an automated doorbell, try turning it off and then back on again. Sometimes, a fresh reboot is all it takes to get your automated doorbell going again.

In case the issues persist, consider clearing the cache of your doorbell app to see if it resolves the issue. And lastly, reinstall the app if nothing else works.

What To Do If These Tips Don’t Work

The user’s manual is your best friend in the event of your wireless doorbell not working. Sift through every piece of information you can find in the manual pertaining to the problem and see if that solves it. If not, contact the manufacturer for help with your device-specific problem. 

Closeup of the intercom in new build residential building. How To Fix A Wireless Doorbell Conclusion.

How To Fix A Wireless Doorbell Conclusion

Wireless doorbells, much like most wireless devices in modern times, are a boon for our daily lives. And when their convenience is interrupted by an untimely fault, they can usually be fixed without requiring professional help. 

However, they are fragile and prone to failure once they have aged sufficiently. Wireless doorbells can also become non-functional when dropped, making handling it with care all the more important. 

With regular maintenance and proper care, the devices will continue to serve you for a good while. 

On that note, we will now wrap up today's proceedings. Until next time!