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iRobot Roomba Owner’s Manual
 
Troubleshooting
Roomba will tell you when something is wrong with a two-tone “uh-oh” 
sound followed by beeping. Refer to the chart below to resolve Roomba’s 
problem.  If the problem is not resolved, visit www.irobot.com/support.
Number of 
beeps after 
“uh-oh” 
Likely cause
What to do
No beeps
A wheel is stuck or is 
not touching the ground
Pick up Roomba, place it down securely on the floor and 
touch the clean button to restart the cycle.
1
The main brushes 
cannot turn
Turn over Roomba and remove the brush guard by pushing 
the two yellow tabs. Remove the brushes, clear any 
obstructions, and replace them again.
2
The side brush cannot 
turn
Turn over Roomba. Look to see if something is wrapped 
around the side brush. Remove the side brush with a screw 
driver and check for string or hair that may be wrapped 
around it.
3
The vacuum cannot run Remove and empty Roomba’s bin.
4
A wheel cannot run
Your Roomba may be stuck or something may be wrapped 
around a wheel. Look for something wrapped around the 
wheels. Push them in and out and make sure they turn 
easily.
5
The cliff sensors have 
failed or are blocked
Turn over Roomba and clear any debris that might be 
caught underneath the front bumper in the cliff sensors. You 
can also use compressed air to clean them out.
6
Wheel obstruction or 
robot attempting to 
drive over an obstacle
Turn over Roomba and remove any obstructions that 
prevent the wheels from seating all the way up into 
Roomba’s body. Also, remove any obstacles that Roomba 
could drive over.
9
Sensor error
Please contact iRobot Customer Support.
10
Roomba is stuck
Pick up Roomba and start it again somewhere else. Use a 
virtual wall or other barrier to keep Roomba away from the 
place it got stuck.
Miscellaneous Troubleshooting
Problem
Likely cause
What to do
Roomba’s CLEAN/
Power light will not 
illuminate
Battery not seated 
correctly
Remove Roomba’s battery by pushing the side clips and 
re-insert the battery making sure you hear an audible 
click.
Roomba is not  
picking up debris
Bin is full
Empty the bin and clean Roomba’s brushes. 
Roomba does not 
charge
Charger is not 
plugged in
Ensure that the charger is correctly connected to the wall 
and to Roomba. Roomba’s charger will illuminate a solid 
green light when plugged into a power source.
Roomba backs up 
frequently and  
behaves erratically
Dirty cliff sensors
Use compressed air to clean out Roomba’s cliff sensors.