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Models

Roomba S9+

Symptoms

The top lid stands proud, will not latch, or the robot reports Error 45 when a job starts.
The robot will not start, or stops after a pad falls off, and reports three beeps.
The robot is charged but cannot drive off the Home Base when a job begins after clearance and placement are proven.
The robot wakes but the battery level does not rise on the Home Base, or the app announces a charging error.
The app reports Error 21, 25, 34, 38, 39, 47, 66, or 76 and the robot cannot reliably continue.
The robot stops with Error 68 because its camera failed during the cleaning job.
The brush-frame door sits proud, springs open, or will not latch securely.
The robot cannot sense or drive the left wheel, announces Error 7, pulls right, or stops at startup.
The robot cannot sense or drive the right wheel, announces Error 10, pulls left, or stops at startup.
The tank is filled to the top and installed flat, but the red sweep or Error 37 still says to fill it.
The robot drives and sprays, but the cleaning head lacks its normal scrubbing vibration with a wet pad.
The robot reports four beeps immediately after an attempted start.
The robot charges fully, but ends early with low battery, repeatedly recharges, or cannot reach the Home Base before Error 46.
The job ends with a docking problem or the robot cannot find the Home Base after placement, clearance, and map-start checks are corrected.
The cool saw starts, then stops during a brief no-load test or light cut before heat builds.
The robot moves, but one wheel makes repeatable noise or feels rough through rotation.
The robot cancels a mission for a navigation problem or ends somewhere other than the Home Base after route and map state are ruled out.
The Clean Base still reports a bag condition after the owner checks the bag.
The shoe will not pivot freely, is bent or loose, or will not sit firmly against the work.
The Clean Base has no status response or cannot pass charge to the robot.

Failure Modes

part