Dyson DC50 Upright Pre-Motor Filter Evolution Electrical faults here often mimic

Electrical faults here often mimic motor failure

Tip: lower the brush strip for hard floors

tight corners

Because it is small and lightweight

Grinding sounds

Dyson DC50 Upright Pre-Motor Filter Evolution Electrical faults here often mimicMade for the Dyson DC50 platform, this replacement pre motor filter (Part #F631) fits the Dyson DC50 and the Small Ball UP15. It sits ahead of the motor, catching fine dust before it can reach and wear the motor windings. A pre motor filter gradually loads with debris, and a clogged one starves the motor of air. The machine then runs hot, loses suction, and can shut off mid clean. Dropping in a clean filter restores the airflow the upright was