Sorry, bit of a late reply....
Is it just me or did you say that it stopped working after a storm?
Maybe your dish has shifted slightly. Some channels are slightly stronger than others so might just come above the threshold.
If I were you I'd make sure your box is set to a proper channel (using someone else's dish), connect it to your dish and put a TV so you can see it from where the dish is. Then push the 'arm' on which the LNB is mounted a little bit right, left, up, down and see what happens. If you get results, carefully turn the dish in the opposite direction (I know, sounds weird but try) and optimise the position.
Let us know how it goes, good luck!