Flex 6500 V1.6.17
The VFO runs away, all the time. I have to get lucky and stop it with the lock button.
And my Acom 2000A kicks out and says "Arc Fault" if I go above 500 or 600 watts. (SSB) SWR / ALC....everything is as it should be. I switch over to my Kenwood TS-940S and run 1500 Watts all day long, no problem. Same antenna and all. I paid way too much for this radio to have these problems. Aggravated......but still love my flex!
If that is not what is going on, please describe what is going on right before this starts. How are you tuning the Slice? FlexControl? Mousewheel? Drag 'n' drop with the mouse? This may help us home in on what is causing the issue. If the issue is reproducible across multiple units, it is likely a bug. Then the goal is to find a reliable way to reproduce the issue so we can turn it over to our development team to squash it.
Please keep us posted. We're here to help.
One area that should be carefully addressed is rfi getting into the ANY USB port. This will cause odd issues. It can be very freq selective and power level dependent.
I found, on one device in particular, I had to get 6 foot USB cable extensions and put two large clip- on common mode chokes on them (with as many turns of the cable wrapped around them as possible). Plus two on the cable itself (the one on the device, and this device had no relation to any xcvrs, etc). Three dif PC's, 2 from commercial sources and one I built myself, all had this problem to one degree or another. An HP desktop was by far the worst of the bunch. Seems the MB USB hub mistook RFI as a power surge would shut it down).
And this was in a very clean RFI environment. I suspect RFI protection on said ports is sorely lacking.