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Trouble Messages - Junior

When Junior is having trouble with one of his parts, he stops cleaning and displays a trouble message on his screen.

Edge Sensors

Junior's edge sensors are dirty, or confused by dark-colored floors.

What to do:

  • Wipe the sensors clean with a dry cloth, or use compressed air.

  • If Junior displays this message while working on dark­-colored floors, then you will need to deactivate the edge sensors. To do so:
      1. Hold down the CHECKUP button on Junior. The 4 ovals at the top of his screen will begin to flash.
      2. Release the CHECKUP button after the bars remain still.

Touch Sensors

There is a small piece of debris trapped underneath Junior's bumper.

What to do:

  • Gently tap on Junior’s bumper to release the object, or use compressed air to clear the space of debris.

  • Press the corner ends of the bumper until you hear a “click." If the bumper is not clicking on its ends, then the touch sensors may need to be replaced.

Left/Right Wheel

The left or right wheel is jammed.

What to do:

  • Use the cleaning tool or compressed air to remove debris from the wheel.

Main Brush

Junior is having difficulty moving his main brush.

What to do:

  • Clean Junior's main brush:
      1. Remove the main brush using a flat head screwdriver.
      2. Clean the brush thoroughly from end to end. You may use a pair of scissors to cut hair wrapped around the brush, or a pair of tweezers to remove congestion from the square metal indentation where the main brush is held.

  • If Junior has trouble cleaning on a shag carpet or rug, you may remove his main brush and see how he performs without it.

Obstacle Sensors

The wall sensors are blocked or dirty.

What to do:

  • Wipe the translucent strip on Junior’s bumper with a damp cloth or remove to clean underneath it.

  • To ensure nothing is jammed underneath the bumper, gently tap it or use compressed air to clear it of debris.


The dustbin is not installed properly, or the dustbin's metal contact points are dirty.

What to do:

  • Remove Junior’s dustbin and empty it.
  • Turn the dustbin around and gently wipe the two metal connectors on its bottom. Clean the metal contact points inside Junior as well. Lastly, replace the dustbin.


Junior is having trouble with his central computer.

What to do:

  • Contact our support team, as Junior needs to come into the bObsweep hospital for a checkup.

Power System

Junior’s battery has absolutely no juice left or has loose connection.

What to do:

  • Open up Junior's battery compartment and check his battery connection.
  • If the connection appears fine, place Junior directly onto his charging station and allow him to charge overnight.

  • If this fails to resolve the issue, then Junior may need a new charging station. Unplug the charging station and plug the adapter directly into the inlet above Junior's ON/OFF switch.

  • If connecting the adapter to Junior fails to wake him, he likely needs a new charging adapter.


If after doing all the recommended steps Junior continues to display a trouble message, then he most likely needs to come into the bObsweep hospital for a checkup. Email our support team at support@bobsweep.com, or call us at 1-888-549-8847 for support in the US & Canada.

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