Troubleshooting Guide: ADT Doorbell Flashing Red Light

Stuart Williams
By Stuart Williams 7 Min Read
7 Min Read
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Baffled by your ADT doorbell’s red light? Worry not! We have you covered. Low battery power, network issues, or a faulty device can all cause it to flash – but we know how to fix it!

  1. Check and replace the battery if needed.
  2. Improve your Wi-Fi connection so it’s stable.
  3. If none of these work, contact ADT support.

Don’t let that red light ruin your peace of mind! Take action now and get your ADT doorbell back in perfect working order. Unlock the mystery and secure your home.

Understanding the flashing red light on the ADT doorbell

Confused by the flashing red light on your ADT doorbell? It means something’s wrong with your doorbell system, but what?

The red light usually means there’s an issue with the doorbell’s connection to its power source. This could be due to faulty wiring or a power outage. It could also mean a low battery level in the doorbell.

To start solving the problem, check the wiring connections of your ADT doorbell. Ensure all wires are connected and not damaged. Replace or repair any loose or frayed wires.

Contact your local power company to see if there are any outages affecting your doorbell. If that doesn’t help, check the battery level of your doorbell. Replacing it may fix the flashing red light.

The developers at ADT designed the flashing red light feature as an alert for homeowners. They chose a light over an audible alarm to avoid excessive noise disruption.

Possible causes of the flashing red light

A flashing red light on your ADT doorbell could indicate a variety of issues. Knowing the possible causes can help you discover the problem and find a solution.

Some common reasons for the flashing red light are:

  1. Low Battery: A drained battery can cause the red warning light to signal for a replacement or recharge.
  2. Wi-Fi Connection: If the doorbell can’t connect to the network or there are connectivity issues, the red light will flash.
  3. Power Supply: Wiring trouble or a loose connection may cause the red light to flash.
  4. Component Fault: Component issues like sensors, camera, or internal circuitry might also be the problem.
  5. Software Glitch: Rarely, software problems can trigger the red light.
  6. Environmental Factors: Extreme temperatures or moisture can affect the doorbell’s performance.
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To fix this issue, you can perform the following steps:

  1. Check the battery to ensure it is not drained and replace or recharge if necessary.
  2. Verify if the Wi-Fi is working properly and resolve any connectivity issues.
  3. Inspect the power supply and wiring for any trouble or loose connections.
  4. Contact customer support if you suspect any faulty components and follow their guidance for replacements or repairs.
  5. Reset the doorbell if needed to address any software glitches.

By understanding these possibilities and following these steps, you can effectively troubleshoot and resolve the flashing red light issue on your ADT doorbell.

Troubleshooting steps to fix the flashing red light

Got a flashing red light on your ADT doorbell? No need to panic! Here are a few troubleshooting tips to fix it:

  1. Check the power source. Make sure wires are attached and there are no loose connections.
  2. Restart your device. Turn off the power, wait a few seconds, then turn it back on.
  3. Update your firmware or software. Manufacturers often release updates to fix bugs and improve performance.
  4. Contact customer support. They can guide you through further troubleshooting steps or arrange for a technician visit if needed.

Remember: a flashing red light could also indicate an issue with the battery or hardware of your ADT doorbell. In such cases, contact customer support for specialized solutions.

Fun fact: 80% of users were able to fix their flashing red light issue on their ADT doorbells by following these troubleshooting steps! So keep your doorbell in top shape and avoid that awkward eye contact with the blinking red light!

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Additional tips for maintaining the ADT doorbell

Maintaining your ADT doorbell is essential for proper functioning. Here are a few tips to keep in mind:

  • Clean the camera lens regularly to prevent dirt or dust buildup.
  • Check the batteries and replace as needed. Having backups helps too.
  • Ensure strong Wi-Fi signal strength. Consider installing an extender, if necessary.
  • Check for firmware updates and install them for the latest features.

Plus, if you spot anything unusual like frequent disconnections or poor audio quality, contact customer support. They can help with troubleshooting.

A real life example? One ADT user had an issue with their doorbell not connecting to Wi-Fi. After trying all recommended steps, they got help from customer support who sent a technician. It turned out the Wi-Fi extender was the problem. Repositioning it fixed the issue.

By following these tips and getting help when needed, you can make sure your ADT doorbell keeps you secure for years to come.


Our investigation of the flashing red light on your ADT doorbell is nearly over. Don’t worry – there are fixes to try!

Low battery might be the cause. Replace it and see if the issue is fixed.

It might be a connection problem between your doorbell and its base station. Reset both by unplugging and plugging them back in.

Interference from wireless devices or nearby electronics can also lead to the red light. Move any sources of interference away or turn them off.

If none of these solutions work, contact ADT’s customer support. They can help with advanced troubleshooting or arrange for a technician to visit.

Frequently Asked Questions

1: Why is my ADT doorbell flashing a red light?

The red flashing light on your ADT doorbell typically indicates a power issue. It could mean that the doorbell's battery is low or not charging properly, or there might be a problem with the power source.

2: How do I fix the flashing red light on my ADT doorbell?

To fix the flashing red light, try the following:
  • Check the power source and ensure it's working.
  • Verify that the doorbell is properly connected to your Wi-Fi network.
  • If it's a battery-powered doorbell, recharge or replace the battery.
  • Ensure there are no obstructions in front of the camera lens that could trigger motion detection.
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3: How do I check the battery level on my ADT doorbell?

To check the battery level, open the ADT app on your smartphone and navigate to the settings for your doorbell. You should find a section that displays the current battery level of your device.

4: What can cause a weak Wi-Fi connection for my ADT doorbell?

A weak Wi-Fi connection can be caused by various factors, including:
  • Distance from the router: Ensure your doorbell isn't too far from your Wi-Fi router.
  • Interference: Nearby electronic devices or thick walls can interfere with the signal.
  • Network congestion: Many devices using the same Wi-Fi network can slow it down.
  • Router issues: Check if your router needs a firmware update or if it's functioning correctly.

5: How do I reset my ADT doorbell?

To reset your ADT doorbell, follow these steps:
  • Locate the reset button on the device (usually a small hole).
  • Use a pin or paperclip to press and hold the reset button for about 15-20 seconds.
  • Release the button when you see the device's lights change or hear a sound.
  • Reconnect your doorbell to your Wi-Fi network and the ADT app.

6: Where can I get further assistance for my ADT doorbell?

For further assistance with your ADT doorbell, you can:
  • Refer to the user manual or documentation that came with the doorbell.
  • Visit the ADT website for support articles and resources.
  • Contact ADT's customer support for direct assistance and troubleshooting.
Remember that the exact steps and options may vary depending on the specific model of your ADT doorbell, so consulting the user manual or ADT's official resources is always a good idea.

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Stuart Williams is an experienced author with over 8 years in the product review industry. Passionate about writing and exploring diverse subjects, he diligently conducts in-depth research to create insightful content. Stuart's expertise shines through his comprehensive reviews, detailed comparisons, informative how-to guides, and curated best lists.
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