Don't panic! Discover why your Vortex Plus is making noise and how to fix it.
Tilt your unit; if the sound changes, you likely have a physical obstruction or blade friction.
Grinding or screeching sounds often indicate the motor’s internal bushings have lost lubrication and reached failure.
Repeated heat cycles cause plastic housing to deform, forcing the fan blades to scrape against the ducting.
Carbonized grease on fan blades causes imbalance and severe harmonic vibration at high motor speeds.
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