Originally Posted by eclipseall
Mine also kinda oscillated once. When I cooled it off, it stopped. A dude on SSO told me to remove the rubber lining on the sides of the chassis, supposedly, it's enough to fix the issue. Standby mode might not be triggering the problem. I suspect it's caused by the phase inverter mosfets, because I had a heat problem with those on a Blackstar HT5. It's pretty much the only solid state part that heats up, so what else could it be? Too bad I don't have access to a thermal camera anymore.