Are you using AUTO or MAN mode? You should be using MAN mode after training the tuner. Cheers, Fred KE7X
> -----Original Message----- > From: Elecraft [mailto:[email protected]] On Behalf Of > Dan Baker > Sent: Monday, December 08, 2014 4:36 PM > To: [email protected] > Subject: Re: [Elecraft] KXPA100 Intermittent VSWR Issues > > Mine does the same thing all the time, so much that I do not like to > using the tuner any longer. > I confirmed it was tuner in the amp by operating into a dummy load. Its > does it into the dummy load on CW and SSB. I have not said anything, > thinking an update will be pushed out and the problem will disappear. > In the meantime I use the KAT500. Its all to frustrating to be in a QSO > and have it act up. It kind of behaves like the KAT500 did before they > upgraded the firmware. I am sure they will get around to taking care of > it. > > 73, Dan KM6CQ > > > I've run into several occasions where in mid-CW transmission my KXPA100 > (with internal tuner) SWR takes a momentary jump from matched to maybe > 3:1. I see the SWR jump on both the KXPA front panel LEDs and on the > KX3 VSWR display. It lasts for maybe half a second, I hear several > clicks of the relays in the tuner, and them it's back to normal. When > normal the SWR is pretty much 1:1 on the KX3, and the second green LED > lit on the KX3. I've not seen it happen at the start of a > transmission, but rather several characters into a CQ or exchange.. > > In the ARRL 160 contest Saturday night this was happening perhaps once > every 2-3 minutes. I'm using a fairly well matched antenna - not random > wires. > I also encountered this problem on 15 meters when operating from > W1AW/8 in WV in October. In both cases I was running a pretty high CW > duty cycle while running at a pretty good clip. The amp was warm, but > the heat sink air flow is not blocked. > > Any thoughts? > > > 73 - Jim K8MR > > > -- > KM6CQ > Dan Baker > www.km6cq.com > @danielbaker > DM09dn > SKCC: 8260 NAQCC: 6817 > QSL via LoTW, eQSL, & Direct. > D-Star REF014C > ______________________________________________________________ > 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]

