failure mode
Roomba i4+ Error 10 — Drive wheel not turning
Symptom: Robot reports a drive fault; one wheel does not turn, robot spins or goes nowhere. Likely root causes: Drive wheel jammed by debris; Drive motor/gearbox fault; Wheel encoder failure; Wheel module worn out Next steps if owner-level checks fail: One wheel is dead or grinds under power after cleaning — replace the drive-wheel module (aftermarket modules available) or contact iRobot Customer Care 1-877-855-8593