C20
Wyze
Sensor Calibration Failure
Wyze robot vacuum displays C20 and stops, often indicating a sensor calibration or alignment error.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Cliff or bumper sensors out of alignment, LiDAR or camera misaligned after impact, Internal calibration data corrupted, Loose sensor mounting screws
How to Fix / Troubleshooting
Safety first: Power off the robot before inspecting the sensors.
- Inspect for impact damage: Check the robot's body, especially around the bumper and top turret, for signs of drops or collisions.
- Clean all sensors: Wipe the cliff sensors, bumper IR windows, LiDAR or camera windows, and side wall sensors with a microfiber cloth.
- Reset robot: Perform a factory reset via the Wyze app or button sequence (consult the manual). Note that this may erase maps and settings.
- Rebuild map: After a reset, create a new map in a clear environment to allow the sensors to recalibrate.
- If C20 persists: Physical misalignment or internal sensor failure is likely. Correcting this requires opening the robot and adjusting or replacing sensor modules, which should be performed by a technician.
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Repair Difficulty
Hard
4/5
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