Mai Pham
December 17, 2023

Having a Roomba can be a real game changer in your home cleanliness routine, but what happens when your diligent little helper refuses to charge? This is a common issue faced by many Roomba owners and can turn the convenience of an automated cleaner into a frustrating ordeal. In this blog post, we’ll delve into the potential reasons for this charging issue, and more importantly, explore practical step-by-step solutions to get your Roomba back on track and ready to tackle those dust bunnies again.

Why is my Roomba not charging?

The most common reason for a Roomba not charging is a dirty charging contact. Over time, dirt and debris can accumulate on the charging contact points on both the Roomba and the Home Base, hindering proper connection and disrupting the charging process. A simple cleaning may resolve the issue. Besides, there are also other factors that impact the charging process, such as low battery health or a defective power cable. It’s important to identify the right reasons then you can troubleshoot it effectively.

Common Reasons Why Your Roomba Is Not Charging

  1. Faulty Outlet: The outlet you’re plugging your Roomba’s home base into might be the culprit. Always check if the outlet is functioning correctly with other devices.
  2. Damaged Charging Base: Sometimes, the charging base itself can be damaged or defective. Look for any visible signs of damage. If the base seems to be broken, you may need to replace it.
  3. Dirty Charging Contacts: Both your Roomba and its home base have charging contacts that can become dirty or clogged with debris. This can disrupt the charging process. Regularly clean these contacts to maintain a good connection.
  4. Defective Battery: Batteries deteriorate over time and may eventually need to be replaced.
  5. Out-of-date Software: Roomba runs on software that needs to be updated periodically. Sometimes, charging issues can occur if your Roomba’s software is out of date.
  6. Broken Power Cord: Check your power cord for any visible signs of damage. If the cord is broken, it may be necessary to replace it.
  7. Misaligned Parts: Make sure the charging base is properly aligned with your Roomba’s cleaner head and that nothing is blocking its path.
  8. Roomba’s Temperature: Roombas have a temperature range for charging. If your Roomba is too hot or too cold, it may not charge properly. Always make sure your Roomba is at room temperature before attempting to charge it.

How to Troubleshoot Roomba Not Charging

The best way to address an issue with your Roomba not charging is to take some preventative measures first, and then work through a few troubleshooting steps below.

  1. Check the power source.
  2. Check if the outlet is working with other devices.
  3. Ensure that you clean the charging contacts for both your Roomba and its home base. This will help to enhance the overall performance and efficiency of your devices.
  4. Please ensure that the base station is securely stable and cannot be easily moved. Enhance its position by utilizing the provided adhesive strips or rubber materials for reinforcement.
  5. Checking the power cord for any visible signs of damage or wear and tear.
  6. Please ensure that the plug is securely inserted into the socket, properly integrated with the charging station, and free from any damage or defects.
  7. Updating your Roomba’s software. This process will ensure that your Roomba is up-to-date with its software, which can assist in the charging process.
  8. Ensuring Roomba is at room temperature. The ideal temperature range for Roomba to charge is 68-86 Fahrenheit (20-30 Celsius).
  9. Resetting the Roomba. This will help to clear any possible software-related issues.
  10. Change defective parts. If nothing works, the problem might be the battery or the charging base itself. Try replacing them.

You can try this authentic Charging Base and Battery from iRobot.

Tips for Maintaining Your Roomba’s Battery Life

Taking good care of your Roomba’s battery not only extends its life, but also helps prevent charging issues. Here are some of the best practices that you can follow:

  1. Regular Cleaning: Ensure that your Roomba is cleaned after each use. Accumulated dirt and debris can make the Roomba work harder, depleting the battery faster. Regular cleaning also includes the charging contacts on the Roomba and its Home Base.
  2. Proper Storage: If you’re not planning to use your Roomba for an extended period, store it in a cool, dry place. Also, remove the battery and keep it separately to prevent any potential damage.
  3. Charge Appropriately: Always keep your Roomba charged.
  4. Timely Replacement: Batteries have a finite lifespan. If you notice a significant drop in your Roomba’s run-time despite taking care of charging and cleaning, it might be time to replace the battery.
  5. Avoid Extreme Temperatures: Both high and low temperatures can affect the battery performance. Ensure your Roomba is always at room temperature before charging.
  6. Keep Software Updated: Regular software updates can help optimize battery management, so ensure your Roomba’s software is always up-to-date.

By following these simple tips, you can maximize your Roomba’s battery life and enhance its performance. It will also ensure that your Roomba is always ready to help you maintain a clean and tidy home.

I also wrote an entire article on Why You Should Keep Roomba Charged All The Time.


How do you fix a Roomba that won’t charge?

To fix a Roomba that won’t charge, you’ll need to do a bit of troubleshooting.

Start by checking the power source to ensure it’s functioning properly. If the outlet works fine with other devices, then check for any visible signs of damage on the charging base and power cord.

Dirty charging contacts on your Roomba or its home base can also disrupt the charging process, so remember to clean them regularly.

If there’s still no life in your Roomba, try resetting it.

If all else fails, you may need to replace the battery or consult with a professional for further examination.

How do I reset my Roomba battery?

To reset your Roomba battery, follow these steps:

  1. Remove the Roomba’s battery and then reinsert it.
  2. Place the Roomba on the home base and charge it until the ‘Clean’ button turns green. This should take about two hours.
  3. Once the ‘Clean’ button is green, keep the Roomba on the home base for an additional 72 hours without interrupting the charging process.
  4. After the 72 hours, run the Roomba in its ‘Clean’ cycle until it completely depletes the battery. The Roomba should return to the home base to recharge itself automatically. If it doesn’t, manually place it back on the base.
  5. Recharge the battery until the ‘Clean’ button turns green again.
  6. Repeat this process 2-3 more times until the Roomba’s battery life is restored.

Remember that these steps only work for standard and extended life batteries. Lithium-ion batteries do not require this resetting process. If you continue to experience issues, consider replacing the battery or contacting iRobot’s customer support.

Is my Roomba charging if the light isn’t on?

The charging indicator light on your Roomba should turn on when it’s properly connected to the charger. If the light isn’t on, it could mean either your Roomba isn’t charging or the light itself is faulty.

First, check if the outlet and charger are functioning properly. Try charging your Roomba on a different outlet or using a different charger, if available.

If the Roomba begins charging, the problem lies with your original outlet or charger.

If there’s still no response, try resetting your Roomba as per the steps provided earlier.

If none of these solutions work, it’s best to reach out to iRobot’s customer service for further assistance.

How Does Roomba Know When To Stop Cleaning?

Roomba has a feature called ‘Dirt Detect’, which uses an acoustic sensor to recognize areas with excessive dirt and spend more time cleaning them. Once the amount of dirt it picks up decreases to a specified level, Roomba knows it has effectively cleaned a particular area. Additionally, Roomba uses a technology called ‘iAdapt Navigation’. This technology creates a map of your home as it cleans, ensuring it covers every accessible area. Once Roomba has traveled over all mapped areas and the dirt detected is within acceptable levels, it determines that the cleaning job is done. This smart utilization of sensors and mapping technology allows Roomba to know when to stop cleaning.

Final Thoughts

If your Roomba is not charging, it’s essential to identify the underlying cause and address it correctly for optimal performance and efficiency. Taking preventative measures such as regularly cleaning the charging contacts, updating your Roomba’s software, and ensuring that the base station is secure can help with avoiding any charging issues. If your Roomba still isn’t charging after taking these measures, it may be necessary to replace certain components such as the power cord or battery. We recommend consulting an experienced technician if you need help with replacing parts or troubleshooting the issue further.

About the Author

I am a working mother who more than often prefer to come home and rest rather than doing house chores. I am passionate about simplifying house chores to live and enjoy life more.

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