Peavey cs800s channel b out?? need help!!!!

[souza777]

I have a peavey cs800s 1200 watt I have 2? I noticed that my channel b was out so I pulled it and used the other peavey cs800s worked great this morning came in turned on the amps and now the second amp chNnel b is out now???? what would cause this?

[Jazz P Bass]

Have you "swapped" side A to B?
Input first.
Then the output.
Bad speaker cable or speaker going intermittant could cause the symptoms.

[souza777]

ya I switched b over to a and the speakers worked and then back to b and nothing I