Robot vacuum displays C15 and may not move correctly or may spin in circles.

Safety first: Turn off the robot before freeing it from obstacles.

• Relocate robot: Move the robot to a flat, open area away from thick rugs, thresholds, and cables.
• Inspect wheels: Check that both drive wheels contact the floor and move freely. Remove any debris under the wheels or chassis.
• Restart on flat surface: Power on the robot while it is on a level floor and start a cleaning cycle. Observe whether it moves normally.
• If C15 continues on flat floors: The wheel lift or tilt sensor may be faulty, requiring internal diagnosis and replacement by a technician.