Hisense are just useless

Do not buy a Hisense product! I have a one year old fridge that is making the hugest noise (can’t even sleep in my house). I uploaded ALL requested documents online via the website. I received a ticket number. The following day I called to query when the technician would be at m home. I called twice yesterday to follow up. Both call centre agents told me technician is on the way! Today I call to find out where the technician is as he never came yesterday to be told that none of the uploaded docs have been uploaded and that they cannot allocate a technician as I do t have a repair number. I then asked for a manager and was told that there are no managers available until Tuesday! Pathetic service! I am fixing the fridge myself now and I will NEVER buy Hisense again- and I will lose all items in my fridge and freezer by Tuesday