: Periodically remove the brush roll from the floor head to cut away tangled hair or fibers. Troubleshooting Possible Cause Battery depleted Fully charge for 4 hours. Low Suction Clogged filters or full cup Empty cup and wash HEPA filter. Brush Not Spinning Tangled hair/debris Clear the brush roll release mechanism. or more details on replacement filter part numbers?
: If you see an error like "E3," it often refers to a stuck brush or bumper (common in robotic versions). For the stick vacuum, restart the unit and clear any obstructions from the roller. Eshtir.com airbot hypersonic pro manual