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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.

  1. 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.
    • 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.

  2. Remove the two 3.5mm Phillips screws that hold the battery cover onto the Roomba with a Phillips #0 screwdriver. Remove the battery cover. 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.

  3. 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. 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.

  4. Remove the ten 3mm screws that attach the bumper guard to the bumper with a Phillips #1 screwdriver. Remove the bumper guard. 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.

  5. 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.
    • 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.

  6. 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. 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.

  7. 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.
    • 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.

Conclusion

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

5 other people completed this guide.

Jacob Lindberg

Member since: 04/19/2017

236 Reputation

1 Guide authored

Team

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

CPSU-BANGHART-S17S14G3

4 Members

10 Guides authored

One Comment

Can not get to the plug-in area on the board to replace sensor this way. DOES NOT work this way.

jkeysgate - Reply

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