What Does it Mean When Roomba Flashes Red?

Roomba is a line of autonomous robotic vacuum cleaners manufactured by iRobot. These smart gadgets come equipped with various sensors and indicators that help them navigate around your home and clean your floors effectively. One of these indicators is a red flashing light that can sometimes catch your attention. But what does it mean when your Roomba flashes red?

Before we dive into the meaning of the red flashing light on your Roomba, it’s essential to understand that different Roomba models have different indicators and functions. The red flashing light on one model may mean something entirely different than on another. Therefore, it’s crucial to identify the model of your Roomba to determine what the red flashing light signifies.

Reasons for Roomba Flashing Red

There could be several reasons why your Roomba flashes red. Some of the most common ones include:

  1. Battery Issues – When the battery of your Roomba is low or faulty, it will flash a red light to indicate that it needs charging.
  2. Obstacles or Tangled Brush – If your Roomba encounters an obstacle or its brush gets tangled with something, it will stop cleaning and flash a red light to let you know that it needs help.
  3. Dirty Sensors – Roomba relies on several sensors to navigate your home and clean your floors. If these sensors get dirty or obstructed, your Roomba will flash a red light to let you know that it’s having trouble seeing.
  4. Software Issues – Sometimes, your Roomba may experience software issues that prevent it from functioning correctly. In such cases, it may flash a red light to indicate that something is wrong.
Roomba ModelMeaning of Red Flashing Light
Roomba 600 SeriesBattery is low or needs charging
Roomba 800 and 900 SeriesObstacle or tangled brush detected
Roomba i SeriesDirty sensors or camera
Roomba s SeriesSoftware issues

Troubleshooting Roomba Flashing Red

If your Roomba is flashing red, the first thing you should do is check the user manual to identify what the flashing light means for your specific model. Once you have identified the issue, you can try the following troubleshooting steps:

  1. Check the Battery – If your Roomba is flashing red due to low or faulty battery, try charging it for a few hours and see if that resolves the issue. If the battery is still not working correctly, consider replacing it.
  2. Check for Obstacles – If your Roomba encounters an obstacle or gets tangled with something, it will stop cleaning and flash a red light. Clear any obstacles or untangle the brush and restart the Roomba.
  3. Clean the Sensors – If your Roomba is having trouble seeing due to dirty sensors, try cleaning them with a soft cloth. You can also try using compressed air to blow away any debris or dust that may be obstructing the sensors.
  4. Restart the Roomba – If your Roomba is experiencing software issues, try restarting it by pressing and holding the “Clean” button for ten seconds. This should reset the Roomba and resolve any software-related issues.


In conclusion, a red flashing light on your Roomba can signify several different issues, including battery problems, obstacles or tangled brushes, dirty sensors, or software issues. To resolve the issue, you need to identify the problem and follow the appropriate troubleshooting steps. By doing so, you can ensure that your Roomba continues to clean your floors effectively and efficiently.

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