Hi Dale, Sounds like RF is getting in somewhere, somehow! Have you noticed if it's band specific? Frequency specific?
This happens to me once in a while, and then mysteriously disappears! 73 de Jim - KE8G Sent from my iPad > On Feb 3, 2017, at 9:18 AM, Dale Martin <[email protected]> wrote: > > I've been operating my new K3S for about 2 months now and love it. > > > > Last week, however, something unexpected happened: as soon as I keyed the > paddles or hit f1 to key the radio (CW), the radio went keydown. Only by > running the power down below 50-70 watts does it finally key up. > > > > It has happened a number of times since then. However, it doesn't happen all > the time. > > > > I've disconnected extraneous cables, moved power supplies and computer and > cables. No change. I've reattached cables, relocated equipment back to where > it was. Again, no change. Nothing seems to make a difference. > > > > It is also very sporadic. I can sit down and operate without an unexpected > keydown event. Other times, I can sit down and bang, it's gone key down and > I've got to run the power down to operate. > > > > Until last week, it never happened before. As I said, no changes have been > made to the station: equipment configuration and positioning, cable > routing, antenna SWR/orientation, etc. > > > > My next step is to find my box of ferrites and start clamping them on > cables-I've never had to do that at this station for any of the five radios > I've ever used here over many years. I figure if any of my past radios were > RFI susceptible it would have been my OMNI VI's. But I never had an > RFI-issue with them. > > > > Any ideas? > > > > 73, > > Dale, kg5u > > > > > > > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]

