Chapter 1: What Is Roomba Discovery Series Saying To Me?

 

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If your Roomba Discovery 4XXX/4XX series is having a problem or is not working properly, it will communicate this to you by beeps, songs, and lights. The following table is essential in understanding possible problems the Roomba can have. Roomba will tell you what problem it has in order for you to know what to correct. This table illustrates the most common error codes, what they mean, and how to resolve them.

Roomba Says What It Means What You Should Do
Plays 4-note song as Power button blinks RED The battery is low and needs recharging
  • Connect the robot to the charger or Home Base and recharge the battery.
  • Try the Battery Reset Procedure for your Roomba.
  • Problem not fixed? You may need a new battery
“Ehh” The cliff sensors are dirty or malfunctioning, or the battery needs recharging
  • Pick up your robot and turn it over
  • Check for dirt and debris that might be stuck underneath the front bumper, around the cliff sensors
  • Wipe the sensors with a clean cloth or use compressed air to clean them.
  • Recharge the battery
  • Problem not fixed? You may need new cliff sensors.
"Uh-oh" A wheel is stuck or is not touching the ground
  • Lift the robot and put it down again
  • Press the Clean button to restart the cycle.
  • Problem not Fixed? You may need a new wheel drop switch.
“Uh-oh” plus 1 beep The robot's main brushes are stalled
  • Pick up your robot, turn it over and remove the wire guard.
  • Look for something blocking the brushes; you may need to remove and reinstall the brushes to remove the obstruction.
  • Remove and clean the yellow brush bearings
  • Problem not Fixed? You may need a new brush motor.
“Uh-oh” plus 2 beeps The robot's side brush is stalled
  • Pick up your robot and turn it over
  • Check to see if something is wrapped around the side brush
  • Using a screwdriver, remove the side brush and check for string or hair wrapped around the motor shaft underneath
  • Replace the side brush, place the robot back on the floor and press Clean to resume cleaning
  • Problem not Fixed? You may need a new side brush motor or gearbox.
“Uh-oh” plus 3 beeps The robot's vacuum is stalled
  • Remove and empty the dustbin, and clean the dustbin filter
  • Use a flat head screwdriver to remove the grill at the back of the dustbin
  • Spin the vacuum impeller while shaking the dustbin to free any dirt that may be stuck
  • Replace the grill and the dustbin.
  • Problem not Fixed? You may need a new dust bin.
“Uh-oh” plus 4 beeps The robot's drive wheels are stalled
  • Your robot may be stuck, or something may be caught in a wheel
  • If it's stuck: place it in the center of the room; press Clean and it should resume cleaning
  • If it is not stuck: lift the robot, turn it over and look for something caught in the wheels. Using your hands. check the wheels by pushing them in and out and making sure they rotate freely. Place robot in the center of the room, press Clean and it should resume cleaning.
  • Problem not Fixed? You may need a new drive wheel.
“Uh-oh”plus 5 beeps The robot's cliff sensors are blocked
  • Pick up your robot and turn it over
  • Check for any debris that might be stuck underneath the front bumper, around the cliff sensors
  • Wipe the sensors with a clean cloth or use compressed air to clean them.
  • Problem not fixed? You may need new cliff sensors.
“Uh-oh” plus 6 beeps The robot's wheel drop sensors are overloaded (robot is stuck in a bumpy area)
  • Pick up your robot, place it in the center of the room, then power it off and then on again.
  • Select the cleaning cycle you prefer and let it go to work.
“Uh-oh” plus 9 beeps The robot's wheel drop sensors have failed at startup
  • Push the caster wheel in and out several times in a row, and start a cleaning cycle again.
  • Problem not Fixed? You may need a new wheel drop switch.
“Uh-oh” plus 10 beeps The robot's bumper is not registering obstacles
  • If the robot travels for a long distance without bumping into anything (which would be unusual), it might think it’s stuck and can’t move; press Clean again and it should resume cleaning.
  • Spin the drive wheels by hand to make sure they are not stuck, and observe if both drive wheels are turning properly when the robot is run. If not, one of the wheels may be defective and need replacing.

Please note: the above information is reproduced in part or in whole from iRobot’s website. RobotShop is not the author or owner of this information; it is the property of iRobot.

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