iRobot Robot Vacuum Error Code 33: How to Fix It
Easy 5-15 minutes Medium Severity
Verified June 2026
- Error Code
- Error 33
- Brand
- iRobot
- Product Type
- robot_vacuum
- Severity
- Medium
- DIY Difficulty
- Easy
- Estimated Fix Time
- 5-15 minutes
Ad
Tools You'll Need
- Clean cloth
- Small scissors (for removing hair/string)
How to Fix Error Code Error 33
-
Clear the immediate area
-
Check for stuck robot
Turn off the robot before manually moving it to prevent damage to the wheels or sensors. -
Clean the sensors
Ensure the robot is powered off before cleaning sensors. -
Reset the robot position
-
Restart the cleaning cycle
-
Check wheel functionality
Turn off the robot and remove the battery before performing wheel maintenance.
Parts You May Need
Cliff sensors
Check Price on Amazon
Side wheel modules
Check Price on Amazon
Navigation camera
Check Price on Amazon
Cliff sensors
Check Price on Amazon
Side wheel modules
Check Price on Amazon
Navigation camera
Check Price on Amazon
Cliff sensors
Check Price on Amazon
Side wheel modules
Check Price on Amazon
Navigation camera
Check Price on Amazon
Cliff sensors
Check Price on Amazon
Side wheel modules
Check Price on Amazon
Navigation camera
Check Price on Amazon
Cliff sensors
Check Price on Amazon
Side wheel modules
Check Price on Amazon
Navigation camera
Check Price on Amazon
Cliff sensors
Check Price on Amazon
Side wheel modules
Check Price on Amazon
Navigation camera
Check Price on Amazon
Cliff sensors
Check Price on Amazon
Side wheel modules
Check Price on Amazon
Navigation camera
Check Price on Amazon
Cliff sensors
Check Price on Amazon
Side wheel modules
Check Price on Amazon
Navigation camera
Check Price on Amazon
Cliff sensors
Check Price on Amazon
Side wheel modules
Check Price on Amazon
Navigation camera
Check Price on Amazon
Cliff sensors
Check Price on Amazon
Side wheel modules
Check Price on Amazon
Navigation camera
Check Price on Amazon
Cliff sensors
Check Price on Amazon
Side wheel modules
Check Price on Amazon
Navigation camera
Check Price on Amazon
Cliff sensors
Check Price on Amazon
Side wheel modules
Check Price on Amazon
Navigation camera
Check Price on Amazon
Cliff sensors
Check Price on Amazon
Side wheel modules
Check Price on Amazon
Navigation camera
Check Price on Amazon
Ad
When to Call a Professional
Contact iRobot support if Error 33 continues to appear after clearing obstacles and cleaning sensors, if the robot consistently gets stuck in the same location despite no visible obstacles, or if the wheels don't spin freely after cleaning. Persistent navigation errors may indicate internal sensor failure or mapping system issues that require professional diagnosis.Frequently Asked Questions
What causes iRobot Error Code 33?
Error Code 33 is triggered when your Roomba detects a blocked path or significant changes in the environment during cleaning. This includes new furniture placement, obstacles in the robot's path, or sensor issues that prevent proper navigation.
Why does my Roomba keep getting Error 33 in the same spot?
Recurring Error 33 in the same location usually indicates a permanent obstacle the robot can't navigate around, dirty sensors affecting navigation, or a furniture arrangement that confuses the robot's mapping system. Try rearranging furniture slightly or using virtual barriers.
Can I prevent iRobot Error Code 33?
Yes, you can reduce Error 33 occurrences by picking up loose items before cleaning, ensuring furniture hasn't been moved significantly, keeping sensors clean, and maintaining clear pathways throughout your home.
Does Error 33 mean my Roomba is broken?
No, Error 33 is usually a temporary navigation issue, not a hardware failure. It's the robot's way of telling you it needs help navigating the current environment. Most cases resolve by clearing obstacles and restarting the cleaning cycle.
How often should I clean my Roomba's sensors to prevent Error 33?
Clean your Roomba's sensors weekly or whenever you notice navigation issues. Regular sensor maintenance prevents dust buildup that can trigger Error 33 and other navigation-related error codes.