ROOMBA J7 Spinning In Circles
| CONF | DIAGNOSIS | PART MATCH | ACTION |
|---|---|---|---|
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91%
CONF
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Left Wheel Module
The J7 utilizes modular drive units with integrated optical encoders. If the left wheel encoder fails to pulse, the control board assumes the wheel is stuck and drives the right wheel to compensate, resulting in a continuous clockwise spin. Replacing the module restores the closed-loop feedback required for straight-line travel.
SKU: 4624871
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CHECK PRICE |
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5%
CONF
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Right Wheel Module
Symmetric to the left module, a failure in the right wheel's motor or gearbox encoder causes a counter-clockwise 'circle dance.' This is the statistically most frequent mechanical cause of spinning when the bumper is not physically depressed.
SKU: 4624872
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CHECK PRICE |
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4%
CONF
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Bumper IR Sensor Harness
If the Infrared Emitting Diodes (IREDs) inside the bumper fail or dim (as detailed in Source 3), the robot perceives a constant collision on one side. This triggers a logic-based 'escape' maneuver that presents as repeated spinning. This harness is the required fix if cleaning the bumper window fails.
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CHECK PRICE |
DIY Repair Guide
Watch exactly how to replace the Left Wheel Module.