Problem with Walka

My walka has had an error 16.4 code for over a month now and I have phoned the call centre repeatedly I have used up nearly 2 hours of talk time communicating with dstv and yet no solution has been fourth coming. I phoned today 25th September but still no luck. I have had a variety of reasons why the error cannot be cleared.<br> I went as far as going to the dstv agent in Alberton and stood for over an hour while the agent tried to contact dstv I eventually walked out. I am paying over R800 per month for dstv but cannot get a solution to my problem.