Why Your Roomba Won’t Charge: Troubleshooting Tips.

If your roomba won’t charge, it is likely due to a faulty battery or charging system. Roombas rely on their battery to power their cleaning tasks, so it is crucial to ensure that it charges correctly.

Roombas are fantastic devices for keeping your home clean and tidy, but they need power to operate effectively. If you’re encountering problems with your roomba not charging, it can be frustrating and hinder your cleaning routine. Roomba batteries can last for around two years, but their lifespan depends on how often you use them and how well you maintain them.

Suppose your roomba won’t charge or start cleaning when placed on the dock. In that case, there could be issues with the battery contacts, dock, or adapter. We’ve put together this guide to help you troubleshoot and fix your roomba charging issues, so you can enjoy its cleaning convenience again.

Why Your Roomba Won't Charge: Troubleshooting Tips.

Credit: www.reliablenh.com

Understanding Roomba Charging

Roomba is a reliable and efficient cleaning robot that needs charging within a specific period.

  • Roomba uses rechargeable lithium-ion batteries, which can operate for about 90 minutes after charging.
  • The robot will automatically return to its home base when the battery is low or waiting for a recharge.
  • The charging process starts when the robot is placed on the charging dock, and the dock is plugged into an electrical outlet.
  • Until the roomba is fully charged, it continues to charge automatically and stops charging when the battery is full.

Different Types Of Roomba Chargers Available In The Market

Several types of roomba chargers are available in the market, including:

  • Home base charger: This charger comes with roomba and is the most common type of charging station. Roomba automatically returns to the charger when the battery is low, and the charging process begins.
  • Dual mode virtual wall charger: This charger is useful for both creating a virtual wall and charging roomba. It provides a charging station and acts as a barrier to keep the robot away from rooms you don’t want to clean.
  • Rapid charger: This type of charger charges the roomba’s battery in half the time as compared to the other chargers. However, it is only compatible with certain roomba models.
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Significance Of Charging Indicator Lights

The charging indicator lights are helpful for monitoring the charging process, especially when you need to troubleshoot why a roomba won’t charge.

  • Amber: Amber light indicates that the charging process has started, and the battery is in pre-charge mode.
  • Flashing green: A flashing green light shows that roomba is charging, and the battery is charged between 30% to 80%.
  • Solid green: It indicates that the battery is fully charged, and roomba is ready to go.
  • Red: The red light indicates that there is an issue with the roomba charger or battery. You should contact customer care for troubleshooting help.

By understanding the roomba charging and different types of chargers, you can choose the best charging option for your roomba model and troubleshoot why your roomba won’t charge using the charging indicator light’s color codes.

Reasons Why Roomba Won’t Charge

Reasons Why Roomba Won’t Charge:

It can be frustrating when your roomba doesn’t charge, especially if you depend on it to keep your floors clean. There can be several reasons why your roomba won’t charge.

Battery Failure Or Damage:

A dead battery is the most common reason that your roomba won’t charge. If you’ve been using your roomba for a while, it’s possible that it’s time to replace the battery. Signs of a bad battery include a sudden loss of runtime, difficulty in holding a charge, or the failure to recharge at all.

Malfunctioning Charger:

Sometimes, the culprit of a roomba not charging is not the robot’s battery, but the charger itself. A malfunctioning charger might indicate that your roomba is still getting power, but it won’t charge. If your roomba charger is damaged or broken, you need to replace it.

Clogged Charging Contacts:

Another reason why your roomba might not charge is due to the charging contacts blocking your roomba’s metal plates. Over time, dust and pet hair build up on the charging contacts of roomba. Ensure they are clean and in good condition to have an uninterrupted roomba experience.

Dirty Or Damaged Charging Dock:

Roomba’s charging dock is its power source when it needs to recharge. If the charging dock is dirty or damaged, it can interrupt the flow of power to the roomba. Check to make sure there is no dust buildup or damage to the dock.

If there are any signs of physical damage, replace the dock as soon as possible.

Software Updates Required For The Roomba:

Updating roomba is essential to keep it running smoothly and efficiently. If your roomba isn’t charging and it has not updated to the latest software version, chances are that it’s causing the problem. Software updates will often fix roomba problems such as batteries not charging and may also improve roomba performance.

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Troubleshooting Roomba Charging Issues

Roomba is a convenient cleaning tool that works effortlessly to keep your home spotless. However, you may notice that it won’t charge at times. There are different reasons why this may happen, but not to worry, troubleshooting roomba charging issues isn’t too difficult.

Here are some things to check to get your roomba charging again.

Checking The Battery And Charging Contacts

The battery and charging contacts are essential components of your roomba. So, if your device isn’t charging, there’s usually a problem with either of them.

  • Ensure your battery isn’t faulty or out of power.
  • Inspect the charging contacts for dirt or debris that may hinder electrical connection.
  • Check that the battery and charging contacts are in good condition without any visible damage.

Resetting The Charging Dock

Roomba charging dock is another vital component for proper charging. You may need to reset it if you experience charging issues.

  • Unplug the charging dock from the outlet.
  • Disconnect the power port on the dock from the roomba cleaner.
  • Wait for a while, about 15 minutes, before reconnecting the power port back to the roomba cleaner.
  • Plug the dock back into the outlet and wait for the dock indicator light to turn on.

Cleaning The Roomba And Its Charging Components

If your roomba is not charging, a buildup of dirt and debris may be preventing it from making the necessary connections with its charging components.

  • Clean the charging contacts on the roomba with a dry cloth or cotton swab.
  • Clean the charging dock’s metal contacts with a dry cloth or cotton swab.
  • Unplug the roomba and clear any debris from the charging port.

Updating Roomba Software

Sometimes, updating the roomba software can help solve charging problems.

  • Download the irobot home app on your smart device.
  • Connect your device to the roomba cleaner and open the app.
  • Check if there are software updates available and install them if there are any.

Replacing Roomba Battery Or Charger

Suppose you have tried all the above solutions without any success, replacing the roomba battery or charger is your final option.

  • Purchase an original roomba battery or charger from an authorized dealer.
  • Replacing the roomba battery or charger is quite simple and easy for most roomba models. However, it’s important to refer to your roomba manual for instructions.

With these troubleshooting steps, your roomba should be charging correctly again. Remember, always ensure that your roomba cleaner and its components are always in good condition to avoid similar problems in the future.

Preventing Charging Issues In Roomba

Proper Maintenance And Cleaning Routine For Roomba And Charging Dock

To prevent charging issues in your roomba, it’s important to maintain and clean it regularly.

  • Clean the roomba’s brushes and filter at least once a week. This can prevent debris from clogging up the charging dock and causing charging issues.
  • Check the charging contacts on roomba and the charging dock for any dirt or debris. These contacts need to be clean for efficient charging.
  • Ensure that both roomba and the charging dock are kept in a dry and cool place. Exposure to moisture or heat can damage the battery and cause charging issues.
  • If you don’t use your roomba for a prolonged period, store it with a nearly full battery. Leaving a roomba with an empty battery for a long time can damage the battery’s life.
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Tips For Charging Roomba Effectively And Efficiently

Here are some tips that can help you charge your roomba more effectively and efficiently:

  • Always use the original charger that came with the roomba. Using third-party chargers can cause charging problems and damage the battery.
  • Leave sufficient space around the charging dock so that the roomba can dock easily. Obstacles around the charging dock can interfere with charging and cause problems.
  • Ensure that the charging dock’s power outlet is functioning correctly. Faulty power outlets can lead to improper charging.

Frequently Asked Questions About Roomba Charging Issues

Here are some frequently asked questions about roomba charging issues:

  • Q: My roomba won’t charge. What should i do?
  • A: Check the charging contacts on roomba and the charging dock for any dirt or debris. Clean them with a dry cloth if necessary. Ensure that roomba is properly docked on the charging dock.
  • Q: Why does my roomba take too long to charge?
  • A: This could be due to a damaged battery. If your roomba is over two years old and takes longer than usual to charge, it’s time to replace the battery.
  • Q: Can i use any charger to charge my roomba?
  • A: It’s highly recommended to use the original charger that came with roomba. Third-party chargers may not be compatible and can cause charging problems.

By following these tips, you can prevent and troubleshoot most charging issues in your roomba. Keep your roomba clean and charged, so that it’s always ready to clean your home.


There are several reasons why your roomba may not be charging. Starting with the physical connection, make sure the charging contacts are clean and free from dust or debris. If this is not the issue, then it could be the charger or the battery itself.

Cleaning the contacts or trying a new charger can solve the problem, but if the battery is the problem, it may need to be replaced. Additionally, ensuring your roomba is used and stored in optimal conditions can extend the battery life.

Maintaining and taking proper care of your machine can prevent charging issues from occurring in the future. As a result, following these tips can help ensure your roomba charges as it should, leaving you with a clean floor and a fully charged robot.