Shoking customer service

I purchased a new Defy Fridge/ Freezer on the 24/06/2019. The fridge froze up from day one, spoiling the content. After checking all the potential problems that may cause this I e mailed the Defy Service center on the 1/08/2019 about their faulty product. I received a phone call from a technician that seemed to be in the area but told him that I was at work and not at home and if they could please let me know when they are coming so that I can be at home for them to get access to the fridge. I have since received no communication from Defy although I again sent an e mail on the 20/08/2019 requesting this too be sorted. The fridge is still freezing my food. Very frustrating