Sudden static after turning on for 2 or 3 minutes, loud static starts

DSP is Digital Signal Processor.\\
That is electronics and would have to be serviced by the company or authorized service centre

I suspect it's your input jack if it stops working immediately and comes back immediatly rather than fading in and out. Give it and any other jacks a good cleaning and see if it helps.

You should return it, that's what the warranty is for. Don't even think about trying to sort it yourself

it sounds like an input jack or plug problem, first clean them with alcohol. try and clean the jack with a Q tip and alcohol.

Take this in for WARRANTY repair immediately !!!! This is NOT DIY.

Always power any interconnected equipment from the same receptacle or power distribution box.

Also READ my tip regarding a speaker polarity grounding hazard on Fixya.

This is likely in the power amp or the drivers for it.

The key to troubleshooting is a schematic. Try to procure one.

You MIGHT try using circuit cooler in the area of the power amps to isolate a bad component or cracked circuit board.

The unit needs to be repaired. Since it is a thermal problem, you can likely find the bad part with circuit cooler. See if the volume control affects the loudness of the howl... If it does, probably an op-amp in the preamp before the volume control is sick. If it doesn't affect it, then the output amps are suspect. Also check the power adapter.

Try posting on the organforum.com.

It sounds like the power amp has a problem. Probably filter capacitors have gone bad.

First of all, it would be better for you to pan the tracks, and bounce into 2 tracks for stereo separation.

Your "static" may stem from three pausible causes.

One, four tracks into mono may make your output a little muddy.

Two, watch the reverb - if you keep applying reverb after each bounce, it starts to sound bad.

Three, if you have drums/rhythm, turn it off while bouncing. Only have drums on when mastering, because they will keep getting re-recorded during bouncing.

Go to bossbr.net - The best place to get answers!!!!

I suspect the power supply for the effects processor has failed. The effects unit will "go crazy" when power supply is too low voltage.

If the amp has loud noise, then the power amp portion is PROBABLY OK.

I had a similar problem in a Behringer amp caused by a bad electrolytic filter cap.