[6 Quick Fix] – Roomba Charging Error 1

If you are faced with a Roomba charging error 1, there are a variety of things that could have gone wrong.

Your Roomba has probably just cleaned your house, and as it docks in the station, it begins to display the Roomba charging error 1.

If you come across this, there are a series of things you should do to quickly resolve it.

You might have gone through other websites looking for a solution to this, but since you are here, I will be breaking down what the “Roomba charging error 1” means and all the possible ways to troubleshoot this on your own without a technical expert.

What does Roomba charging error 1 mean

When you see the “Roomba charging error 1“, it signifies that the Roomba was unable to correctly identify its battery.

This occurs when you use a non-original or non-iRobot-approved battery on the vacuum.

Aside from that, you may have this problem if the electrical connectors to the battery have corroded or become clogged with dust.

Also, your battery might not be properly inserted.

Recommended: Best Cheapest Vacuum cleaner under $200

How to Fix Roomba Charging Error 1

Roomba Charging Error 1

Now that you know what the error means, delve into the different ways you can troubleshoot it.

Examine the battery for counterfeit.

When you see this issue, the first thing you should check for is a counterfeit battery.

That is one of the reasons you should avoid using counterfeit batteries to save money.

Always use authentic iRobot components or those proven to be genuine.

If you purchased your Roomba vacuum on eBay as a used product and the battery appears to be defective, you can obtain replacement batteries and spare parts via the iRobot website or from one of their recognized part producers.

Check to see if the battery is properly installed.

Roomba Charging Error 1

After inspecting the Roomba for a fake battery, check to see if the battery is properly installed.

Incorrect or misaligned batteries might cause the Roomba to fail to recognize them; therefore, double-check the position to avoid this issue.

To access the battery:

  • Remove all of the screws from beneath the robot to have access to the battery.
  • Remove the backplate.
  • Examine the battery to ensure that it is properly installed and positioned with the sticker facing you.
  • If the battery is not properly placed, reseat it.

After completing these steps, check to see if the error has been resolved; if not, move to the next step.

Clean the electrical contacts for the battery.

The electrical connectors to the battery may have a coating of rust or dust that prevents the Roomba battery from establishing a proper charging connection.

If you’ve attempted all of the above procedures, here’s another way to fix it.

  • Remove the Roomba’s backplate.
  • Remove the battery from its container.
  • Take a Q-tip and soak it in isopropyl alcohol.
  • With the Q-tip, clean away dust and grime from the contacts.

NB: Do not clean the electrical connections with water.

Align the Battery with a Shim

Roomba Charging Error 1

Sometimes the battery is alright and the electrical connections are fine, but the problem is caused by the battery not making proper contact with the electrical terminals in the battery compartment.

This might also cause a Roomba charging error 1. Since that is the case Here is what you should do.

  • Fill in the blanks using a piece of paper or cardboard.
  • When a battery is installed, place the paper or cardboard on the battery contact.

Anything metallic should be avoided since it is electrically conducting and can harm the battery.

How to Reset a Roomba Battery

If the charging problem persists, the Roomba’s battery needs to be “reset.”

A battery reset can help with battery life by recovering some of the lost charge cycles by deep charging the battery for a few hours.

That being said, here is how to go about it.

How to soft reset Roomba S, I, and 900 Series Models

  • Hold down your Roomba’s Spot Clean, Home, and Clean buttons all at once.
  • Hold the buttons down for a few seconds until you see the light surrounding the “Clean” button.
  • Release the buttons when you see a light ring around the “Clean” button.
  • After resetting, the vacuum will restart.

How to Soft Reset the Roomba 800 and 600 Series Models

  • Hold down the Home, Spot Clean, and Clean buttons all at the same time.
  • Now, hold the button down until you hear a beeping tone.
  • Release the button after hearing the tone.
  • Roomba will reboot.

After that, try charging the battery to see if the Roomba works. Charging Error 1 persists

Contact IRobot Support

The “Roomba charge error 1″ means the battery is non-genuine or it is not making a connection to the battery due to an issue like rusty electrical connections.

However, if you’ve tried all the steps above and you are not getting a positive response, it might be an internal hardware problem that necessitates you to contact Roomba customer support.

Roomba E5 charging error 1

Roomba Charging Error 1

If you are using a Roomba E5 model and you come across the AC1 error, it means the battery is either a counterfeit one or it is not maintaining the right connection.

Since that is the case, what you should do is

  • Check to see if the battery isn’t a counterfeit.
  • Check to see if the battery is well seated.
  • Examine the charging contacts to ensure they are clean and free of rust.
  • Soft reset the battery.
  • Contact Irobot customer support.

NB: You can get a more in-depth explanation of these above.

Roomba 675 charging error 1

If you have a Roomba 675 model and you encounter the “Roomba charging error 1″, It simply signifies that the battery is either counterfeit or not maintaining the proper connection.

Since such is the case, you should perform the following:

  • Determine whether the battery is a counterfeit.
  • Check to see if the battery is properly positioned.
  • Check the charging contacts to ensure they are clean and not rusted.
  • The battery should be soft reset.
  • Contact Irobot customer service.

NB: For a more extensive explanation of these, check above.

Roomba charging error 5 is resolved.

If your Roomba displays a charging error of 5, then you are in a loop of troubleshooting, as that error can mean pretty much anything.

However, there are a series of things you can do when you are faced with these, which I will list below.

  • Clean the dock and the Roomba charging stations.
  • Clean the terminals and remove the battery.
  • Connect the power cable to the Roomba directly.
  • Make sure the yellow battery pull tab is removed.
  • Reset your Roomba gently.
  • Your Roomba has been factory reset.
  • Contact iRobot Support.

Recommendation: How to fix Roomba Charging Error 5

Why is my Roomba reporting a charging error?

There are a series of reasons why your robot must have displayed a Roomba charging error.

However, if you come across any charging errors, either there is an issue with the power outlet, the battery, or the electrical circuit.

If it’s not one of those, it could be a software or hardware problem.


After reading this article, you should have a better understanding of how to resolve Roomba charging error 1 and what it means.

However, if you are not able to get it fixed and your Roomba is newly bought, you should contact their customer support to take advantage of your warranty.

However, if it is used and the warranty period has passed, you should contact a technical repairer.

Leave a Comment