Poor customer service

I am so disappointed with Makro Wonderboom store's customer service. I bought a Defy fridge last year and it was faulty. A technician was called in to assess the fridge and he said there's something wrong with the fridge's gas. He then submitted a recommendation to Defy to have the fridge replaced. A few weeks later I called the Wonderboom store to find out what the delay is, they then referred me to Defy. I then called Defy who then referred me back to Makro. Makro told me that they no longer have stock of the fridge and are waiting for supply. This was back in JANUARY!!! I am tired of calling and getting no solution to my problem! All I want is a new fridge or a refund so that I can buy a new one please!!!!!!!!