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22 iRobot Roomba 500 Series
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Troubleshooting
Roomba will tell you something is wrong with a two-tone “uh-oh” sound. A narrated
voice will tell you there is an issue when you try to start a cleaning cycle.
Refer to the chart below to resolve Roomba’s problem.
If the problem is not resolved, visit www.irobot.com/support.
Roomba says Likely cause What to do
Remove and clean
Roomba’s front wheel
The front wheel
is stuck
Roomba is stuck or something is
wrapped around the front wheel.
Remove and clean hair and debris from
Roomba’s front wheel.
Inspect and clean Roomba’s
cliff sensors
Roomba’s cliff
sensors are dirty
Wipe off Roomba’s cliff sensors with a
dry cloth.
Inspect and clean Roomba’s
drive wheel(s)
A drive wheel is
stuck
Roomba is stuck or something is
wrapped around a drive wheel. Clean
Roomba’s wheels, push them in and out
and confirm that they turn freely.
Please remove and clean
Roomba’s brushes
The main brushes
cannot turn
Turn over Roomba. Remove and clean
Roomba’s brushes. (see pg. 20)
Please clean Roomba’s side
brush
The side brush
cannot turn
Turn Roomba over and clean the side
brush. Remove the sidebrush with a
screwdriver to thoroughly clean it.
Charging Errors 1-10 Roomba has a
charging error
Contact iRobot Customer Support.
Error 1-10 Roomba has an
unspecified error
Contact iRobot Customer Support.
Troubleshooting
If you are having a problem that you cannot solve by referring to Roomba’s
troubleshooting interface, refer to the table below.
Problem Likely cause What to do
Roomba’s power light will
not illuminate
Roomba’s battery has
extremely low power
Charge Roomba for at least 16 hours.
Roomba is not picking
up debris
Roomba’s dust bin and
filter are full
Empty Roomba’s bin and clean Roomba’s filter.
Clean Roomba’s brushes. (see pg. 20)
Roomba does not charge on
the home base
Power supply is not
plugged in correctly
Ensure that the power supply is correctly
connected to the wall and to the Home Base.
Roomba is not seated
correctly on the
Home Base
Pick-up and place Roomba on the Home Base.
Confirm that both the Power and docked
lights illuminate.