One of two devices no longer work after 4 months already

One of the two devices has ordered from me after only 4 months before the function dented un shows only error "E3" on the display (motor not moving). According to Google search that seems a general construction problem / series to be errors.

I would love to take warranty, but unfortunately can be found on Amazon no such function. The button for "returning" is fairly "for this order for 3 months is no longer available.

1a Product Quality and Customer the part of Amazon should look different.

Before, I used to have no-Nache Taiwan goods in a rented apartment - which has unhesitatingly works for years, ...