Please don't worry about it. Tineco customer service will provide the troubleshooting and help you identify the issue. You could buy accessories or replacement parts on Amazon or Tineco official website.

"Please find 'Claim My Warranty' on Tineco official website:
https://www.tineco.com/support/process-a-warranty/ClaimMyWarranty. Please feel free to contact Tineco customer service if you have any questions about it."

Tineco provides 2-year warranty against original defects in material and workmanship, when used for private household purposes in accordance with the Tineco Instruction Manual.

Applies to purchases made from authorized retailers of Tineco, we provide 2-year limited warranty for whole units, 1 year limited warranty for battery and other motorized components you purchased separately.

No, it doesn't. The brush works great on hard floors without any damage to it. It is also recommended to test an inconspicuous area of a sensitive surface before using an accessory on it.

The main body of the A11 weighs 3.3 lbs or 1.5 kg. Depeneding on the attachments that you use on your vacuum, the whole unit can weigh up to 5.51 lbs or 2.5 kg.

The size of the brush that comes with the A10 vacuum is 10.4 inches or 26.7 cm wide.

A11 master has additional Full-size LED soft-roller power brush, Soft dusting brush, Flexible extension hose, Flexible multi-angle tube and Long soft crevice tool compared to A11 hero.

Yes, it's replaceable and can be washed. The included rinse-free pre filter cleaning tool even provides an cleaning experience against filter rinse & dry hassle. We recommend customers replace the filter every half year. The separate filter is also available on Amazon.

Yes! The special design of main body handle can avoid such static electricity shock.

The recommended installation height of the wall-mounted dock is any height where the brush attached to the main body is not touching the ground. Typically this is roughly around 4 feet or 123 cm from the ground.

Before the first use, please charge the appliance for 3-4 hours. The A11 has the battery protection function, so it's okay to leave the unit on the powerhouse after it is fully charged.

It's easy to assemble. No tools needed.

Yes, A11 comes with the switch lock, so you don’t have to hold the power button while cleaning all the time.

"Full-Size LED Multi-tasker Power Brush: one brush for both carpet and hard floor.
Full-size LED Soft-roller Power Brush: protects your hard floor and picks up all the fine dust and large debris, the unique tangle-free function help to avoid hair blockage on the roller.
Mini power brush: for vacuuming upholstered furniture, mattresses etc.
Crevice tool: for corners, niches and other hard-to-reach places.
2-in-1 Dusting brush: vacuum hard surface furniture with bristles;remove the bristles to vacuum upholstered furniture, curtain, etc .
Hair cleaning tool: use the end with small blade to remove the hair and debris wrapped around the roller; use the end with little brush to clean the brush window or the dustbin.
Rinse-free Pre filter cleaning tool: clean the pre filter without using water, which provides an uninterrupted cleaning experience against filter rinse & dry hassle.
Long soft crevice tool: suitable for tight spots, for cleaning dust beneath furniture, along side the refrigerator, around radiators or vents, and more.
Soft dusting brush: suitable for dusting shelves, lighting, delicate surfaces, electronics, and more.
Flexible multi-angle tube: two articulated joints make it adjustable, move from high to low place with flexibility.
Flexible extension hose: excellent extension and flexibility to get into hard-to-reach spaces, great for in-car usage. "