iRobot Roomba Error Code 3: How to Fix It

Easy 10-30 minutes Medium Severity Verified June 2026
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Error Code
3
Brand
iRobot Roomba
Product Type
robot_vacuum
Severity
Medium
DIY Difficulty
Easy
Estimated Fix Time
10-30 minutes
iRobot Roomba Error Code 3 indicates a problem with the right wheel — it may be stuck, jammed with debris, or experiencing a motor failure. Roomba detects that the right wheel is not spinning correctly and stops to protect itself from damage. In most cases, a quick clean and reset is all it takes to get your Roomba back on track.
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Tools You'll Need

How to Fix Error Code 3

  1. Pick Up and Power Off Your Roomba

    Make sure the Roomba is powered off before inspecting any moving parts. Do not attempt to spin the wheels while the unit is on.

  2. Inspect the Right Wheel for Visible Debris

  3. Clean the Wheel Housing and Axle

    Do not submerge the Roomba body in water. Only rinse the detached wheel module itself.

  4. Reinsert the Wheel Module

  5. Test the Wheel Drop Sensor

  6. Power On and Run a Test Cycle

  7. Replace the Right Wheel Module (If Cleaning Did Not Work)

    Unplug or power off your Roomba completely before opening the bottom panel. Take a photo of the wiring connectors before disconnecting anything so you can reassemble correctly.

Parts You May Need

Right wheel module
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Right wheel module
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Right wheel module
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Right wheel module
Check Price on Amazon
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When to Call a Professional

If you have replaced the right wheel module and Error Code 3 continues to appear, the problem may lie with the Roomba's main circuit board or internal motor controller — repairs that go beyond typical DIY. Contact iRobot Support at support.irobot.com or call 1-877-855-8593. If your Roomba is still under warranty (typically 1 year for most models), iRobot may repair or replace it at no cost. For out-of-warranty units, consider whether the repair cost exceeds the value of the robot before investing in professional service.

Frequently Asked Questions

What does Error Code 3 mean on a Roomba?
Error Code 3 on a Roomba means the right wheel is not moving as expected. This is usually caused by hair, string, or debris wrapped around the wheel axle. The Roomba detects that the wheel is stuck or stalled and stops cleaning to prevent motor damage.
How do I clear Error Code 3 on my Roomba?
To clear Error Code 3, pick up your Roomba and press and hold the CLEAN button for 10 seconds to reset it. Then clean all debris from the right wheel, reinsert the wheel module, and restart a cleaning cycle. If the error returns, the wheel module may need to be replaced.
Why does my Roomba keep getting Error 3 even after cleaning the wheel?
If Error Code 3 keeps coming back after you have cleaned the wheel, the wheel motor inside the module is likely worn out or failing. The wheel module is a self-contained unit and can be replaced without professional tools. Make sure you buy the correct module for your specific Roomba model series.
Can I still use my Roomba with Error Code 3?
No — when Error Code 3 is active, the Roomba has already stopped and will not continue cleaning. Attempting to force it to run with a stuck wheel can overheat and damage the motor. Always resolve the error before resuming normal use.
How much does it cost to replace a Roomba right wheel module?
Replacement right wheel modules typically cost between $10 and $30 depending on your Roomba model series and the seller. They are widely available online. The replacement is a straightforward DIY repair that requires only a Phillips screwdriver and takes about 15 to 20 minutes.

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