iRobot Roomba 890 IR Sensor Replacement
Caeden Foxhoven and 4 other contributors
Last updated on Jan 10, 2025
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Introduction
Go to step 1 ↓This guide addresses the removal of a malfunctioning or broken Roomba IR sensor. Roomba IR sensors measure how close a Roomba is to a wall or object and create a map of the cleaning area. The sensor can become defective when obscured with dust or lint. You will remove the exterior plates and casings of the Roomba to reach the motherboard where the sensor is attached. To reassemble the Roomba after the replacement, follow the steps in reverse.
What you need
Tools
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Use a Phillips #2 screwdriver to remove the two 11 mm screws.
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Remove the battery cover.
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Use a Phillips #2 screwdriver to remove the one 7.7 mm screw.
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Remove the yellow brush head.
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Use a Phillips #2 screwdriver to unscrew the two 11 mm screws.
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Lift the baseplate up and off.
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Use a Phillips #1 screwdriver to remove the ten 9.3 mm screws.
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Remove the bumper retainer ring.
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Use a Phillips #2 screwdriver to remove the two 7.5 mm screws holding the IR sensor in place.
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Use an iFixit opening tool to remove the outer plastic covering from the top of the Roomba.
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Use a Phillips #1 screwdriver to remove the two 9.5 mm handlebar screws; then remove the handle.
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Use a Phillips #1 screwdriver to remove the fourteen 9.5 mm top plate screws.
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Lift off the top plate.
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Tool used on this step:Tweezers$3.99
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Use a pair of angled tweezers to firmly grip the IR sensor plug, and pull it directly backwards to release it from the motherboard.
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To reassemble your device, follow these instructions in reverse order.
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Team
UMass Dartmouth, Team 1-3, Petersen Spring 2022 Member of UMass Dartmouth, Team 1-3, Petersen Spring 2022
UMASSD-PETERSEN-S22S1G3
3 Members
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