The charger or docking station makes a buzzing or humming noise.

Safety first: Unplug the charger before handling. Do not open the charger casing.

• 1. Check placement: Ensure the charger is on a stable, hard surface where vibrations are not amplified.
• 2. Listen for excessive noise: A faint hum is often normal, but a loud buzzing or a burning smell is not.

If the noise is loud or accompanied by heat or a burning smell, stop using it and replace the Swan Cordless Vacuum Charger.