Channel static on channel one only. No meter signal,pop in speakers when gain knob

CQ CQ Troubleshooting
1

Channel one has static in it when I turn the volume fader up even with nothing plugged into it.

No meters.its the only channel that does it. When I do plug an input into it the static is still there.

When I link channels 1 & 2 the static goes away.unlink comes back only in ch1.

When I try to adjust the gain on that ch 1 there is a quick pop thru the speakers no matter

If it’s up or down when turning the gain knob.

Any suggestions?

2

It is best to first try disabling the EQ and compressor on channel 1 by switching them to “Out.”
If your problem persists, save your current show to one or two USB sticks and then perform a factory reset, as described in the user guide.
If channel 1 still exhibits more noise than the others after doing this, it could indeed be a hardware issue, and you should contact A&H support.

3

Is your mixer still under warranty or not?