I spoke with Axiom tech support. They recommended changing the fuse. I bought new fuses from Radio Shack. No joy! The EP600 is still dead.

rvrrat: I unplugged the trigger cable, in case that was an issue. But the subwoofer is still dead. :-(

4 M80s/VP150/EP600/Denon AVR-5308 & DVD-2910/
2 QSC SRA3622(1100wattsX2)/Carvin 1800HD(600wattsX2)