Originally Posted by 12 promises
check the whole length of the speaker cables,there may be a short circuit happening somewhere other than at the amp end.
also try a system reset of the microprocessor,you will find instructions on how to do it in the manual.
Thanks. I will have a look along the cables and also try the reset. I also spoke to Denon who suggested that I should try with banana plugs to make sure I get the wires connected properly. Although they say I may have shorted the system and need to take it to get fixed. Hope the reset sorts it.