Last updated: June 9, 2026 By Home Repair Genie Quick Answer If your bathroom fan humming but not spinning issue started recently, the problem is usually related to a blocked fan blade, worn motor bearings, a failed capacitor, or a bad motor. In many cases, cleaning and lubricating the fan can restore operation, but older … Continue reading Bathroom Fan Humming But Not Spinning: 7 Proven Fixes That Work