Qidi tech X-plus 3 2 months old. Never really worked!

Have ordered about 2 Months ago this 3d printer from Qidi. It is a X-plus 3. Changed several parts already send by support. And got several tips. But whatever I do. It and always (95 %) in a error on the print. Changed. Extruder. Nozzle. Now the gonne send a new blower? Al I want is A new WORKING 3d printer! Come on support! Send me a working printer.