Doing some work for a client and have to move a DMX box for commercials on hold for phone system. Anyways, before opening cabinet I turned off both the TOA 906 MKII amps. After removing DMX, which wasn't hooked to either amp, I closed cabinet, and turned on the amps. One of them turned on, the other went into protect mode. I have cycled it, discoonected all wiring to it, and reseated all the cards, still stuck in protect mode. I even unplugged it for a bit, still no worky. Any ideas???