Toro smart stow 22 inch lawnmower

Hello,
I have a one year old toro smart stow 22 inch lawnmower that stopped working and will not start.

Checked: cleaned air filter, changed oil, new gas

This is a video of the sound it makes when we attempt to start:
http://ift.tt/2sveP0z

Any suggestions?
Thanks.

Toro smart stow 22 inch lawnmower