Hmmm? Jeff that is odd. The chances of you getting two bad pre amps in a row would be astronomical to say the least. Not that's it's not impossible of course.

On occasion while using the automatic set up in my 990. I have had to run it more than once. For some reason the signal it sends to my sub is freaking it out. So it will run the sub auto test 2 or 3 times before it's happy with it.

If you have one or more of your speakers not hooked up.. that will also cause the automatic set up to not complete itself.

I had my sub turned off the first time I ran the auto set up.. and it didn't complete the set up.