iRobot 4230 - Manual (Page 13)

Frequently Asked Questions
22
Frequently Asked Questions
23
What can I do if Roomba's battery does not seem to be charging?
If Roomba's battery is not charging, you should first make sure it is properly seated in Roomba.
When you insert the battery, you should hear two clicks. Then confirm that the green light on the
charging “brick” is a solid green and that the power indicator light is pulsing. If Roomba is not
charging on the Home Base, try charging Roomba by plugging the charger directly into the robot..
If this does not work, call customer service at 877-855-8593.
What should I do if Roomba repeatedly starts and stops, or just spins in place?
If Roomba is repeatedly starting and stopping, or just spinning in place, you may have a blocked cliff
sensor.Try cleaning the cliff sensors, located under the bumper, with a Q-tip or compressed air.You
also should remove and clean Roomba's brushes and brush bearings.
What can I do if Roomba is cleaning longer than I'd like in a particular room?
Roomba automatically calculates room size and run time based on a number of factors. Roomba
will clean for longer in rooms with more debris and furniture. Roomba also spends a little bit
longer cleaning rugs than hard floors. In an empty 8x10 room with hard floors, Roomba will clean
for approximately 20 minutes. Removing obstacles from a room will decrease the amount of time
Roomba needs to spend in a room.
What can I do to help Roomba get back to the Home Base?
The Home Base creates an infrared "beam" that Roomba needs to find in order to return success-
fully. You should make sure that the Home Base is plugged in, the power light is on, and the base is
on a flat, level surface. Do not use any Virtual Walls near the Home Base, the Virtual Walls use an
infrared signal similar to that of the Home Base that may prevent Roomba from successfuly dock-
ing. If you have a particularly large home, Roomba may have trouble finding the Home Base at the
end of a cleaning cycle. If it does, try repositioning the Home Base.
What should I do if Roomba does not respond to Scheduler commands?
When sending schedules to Roomba, make sure that Roomba is 8 feet away from the Home Base
OR that Roomba is completely on the Home Base and that both Home Base lights are on. Also,
make sure that any Virtual Walls in the area are turned off. Finally, when using Scheduler, point it at
Roomba and make sure that the black window on the top of Scheduler is not blocked by the
cover or any other obstacles.
How do I adjust LCD contrast?
When Scheduler’s cover is open, press Delete and Send All simultaneously.The screen will read
"LCD 21".To adjust the LCD contrast, press or . Press New/Save to save the setting.
How do I turn Scheduler off?
Scheduler does not need to be turned off.The power button on Scheduler is for turning the robot
on and off.
My robot stopped blinking its status light and lost its schedule, is something wrong?
Occasionally, Roomba may receive a static charge from carpets or hard floors, which can, in rare
cases, cause Roomba to lose its schedule. Re-send the schedule to Roomba to resolve the problem
(see page 12).
For a complete list of Frequently Asked Questions, visit our website at www.irobot.com.