Bad customer service

My father bought a microwave last year November we took it back in the first week of march as it was faulty a few weeks after that the same old microwave was delivered after the call centre place a new one as the old one was apparently sc****d, we were driving up and down taking the microwave back for the past week using our petrol money and resources and todate now one can help us, pls give me some advise can i calontact the fsb board for them