Share 'Chocolate Fountain'

Hi everyone! I need help and advice on running my chocolate fountain. At a recent event - my Belgian milk chocolate was not it's usual flowing texture. I've never experienced this before and am wondering what went wrong. In fact when I was dipping strawberries etc into it, the chocolate seemed to be thick and creamy and not dripping off but rather setting. Any ideas? I wonder if the 'day's' tempe…