Introduction

Is your Roomba not able to sense surrounding obstacles, preventing it from avoiding such barriers? If so, here is the guide to fix the problem with a simple change of the bumper sensor. All you need are the standard #0 and #1 Phillips Screwdriver heads in order to remove the two types of screws involved with this replacement.

Image 1/2: Using the Phillips #0 screwdriver, remove the 4.0mm screw in the center of the yellow side brush. Image 2/2: Remove the yellow side brush.
  • Flip the iRoomba over so that the underside is facing up.

  • Using the Phillips #0 screwdriver, remove the 4.0mm screw in the center of the yellow side brush.

  • Remove the yellow side brush.

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Image 1/3: Remove the battery cover. Image 2/3: Remove the battery cover. Image 3/3: Remove the battery cover.
  • Remove the two 3.5mm Phillips screws that hold the battery cover onto the Roomba with a Phillips #0 screwdriver.

  • Remove the battery cover.

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Image 1/3: Remove the entire base-plate from the bottom of the Roomba. Image 2/3: Remove the entire base-plate from the bottom of the Roomba. Image 3/3: Remove the entire base-plate from the bottom of the Roomba.
  • Remove the two remaining 3.5mm Phillips #0 screws that attach the base-plate to the bottom of the Roomba.

  • Remove the entire base-plate from the bottom of the Roomba.

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Image 1/3: Remove the bumper guard. Image 2/3: Remove the bumper guard. Image 3/3: Remove the bumper guard.
  • Remove the ten 3mm screws that attach the bumper guard to the bumper with a Phillips #1 screwdriver.

  • Remove the bumper guard.

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Image 1/2: Lift up the Roomba so that its bumper is not resting on anything, and slowly separate the bumper from the device. Image 2/2: Lift up the Roomba so that its bumper is not resting on anything, and slowly separate the bumper from the device.
  • Be careful when removing the bumper from the Roomba to prevent damage to the sensor wires. Remove slowly!

  • Lift up the Roomba so that its bumper is not resting on anything, and slowly separate the bumper from the device.

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Image 1/3: Carefully detach the sensor connector from the bumper and the sensor. Image 2/3: Carefully detach the sensor connector from the bumper and the sensor. Image 3/3: Carefully detach the sensor connector from the bumper and the sensor.
  • Remove the two 3mm screws that attach the sensor connector to the bumper/sensor with a #1 Phillips Screwdriver.

  • Carefully detach the sensor connector from the bumper and the sensor.

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Image 1/2: Flip the bumper over, ensuring the sensor remains inside the sensor compartment. Image 2/2: Gently remove the bumper from the black infrared sensor.
  • The sensor is now loose on the bumper. Be careful not to rapidly move the bumper for fear of dislodging the sensor and breaking it.

  • Flip the bumper over, ensuring the sensor remains inside the sensor compartment.

  • Gently remove the bumper from the black infrared sensor.

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Conclusion

To reassemble your device, follow these instructions in reverse order.

Jacob Lindberg

Member since: 04/19/2017

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1 Guide authored

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Cal Poly, Team S14-G3, Banghart Spring 2017 Member of Cal Poly, Team S14-G3, Banghart Spring 2017

CPSU-BANGHART-S17S14G3

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