Peavey Xr 8600 8 Channel Powered Mixer "nothing" Questions

I have a Tascam 2488 neo, nothing works on the board. I got a message reading, Cannot do this when not stopped. Stop the transport. press exit, nothing happens. I was using the start, stop switches ...

have roland d-50. glow in the upper partial equilibrium display shows nothing no matter what I do nothing happens Make sure the power adapter is rated at 2 amps or 2000ma and full 9 volts.

...Zoom will not power up... tried both battery and electric... neither work... the on/off switch does nothing at all... it did not get wet or anything... used in a very high volume situation last time ...

dead nothing on display but power supply lead checks out okay 11.5 volts in nothing happens no power up or display PSRE 403 yamaha If the power supply is NOT the original one, it may be reversed ...

...turn on Roland Fantom G8 keyboard. Tried everything I could think of. Plugged in. Outlet works. Nothing else plugged in. Power turned on. Volume up. No lights. Nothing. Please help. Check your ...

Hello, My robot will not tune. I pull out the knob, 8 red lights come on, strum the strings, nothing happens. It worked the first day, and on the second day, nothing. It's fully charged, tuning knobs ...

clicking noise in the box when nothing is playing Make sure nothing is hitting the cooling fan blades.

...have fixed my guitars, fixed and replaced chords, tried other amps, tried other guitars, and nothing seems to fix the problem...If there a way to switch polarity on this amp? or is there any ...

...it kept saying to keep the power on it woud not turn on or off. So I stop to plug it back and now nothing works. I removed the batteries, reset it the HOLD but nothing. Anyone can help , the manual ...

Roland RD600. Sustain pedal won't work at all. Tried different pedals - no joy. Nothing ? Or inverted ? If inverted, get into the menu. If NOTHING, probably the jack, you gotta open it and check if ...