The receiver turns on and off. However, when turned on, it comes up with "Amp Diag Mode" then a "Check SP Wire" fault code?!?! I know nothing about setting up or fixing something like this so have just bought a whole new surround sound system installed by a professional audio company. Speakers have already sold separately, only the receiver left. Might be an easy fix for someone who knows what they're doing. Grab yourself a bargain for £40 inc free postage!
eBay