Did you take the covers off for a visual inspection of connectors, potential arcing or other damage?
That would be a logical place to start; it’s not a complex design. 73, Rick nk7i > On Jul 15, 2025, at 8:13 AM, Cliff K3LL via Elecraft > <[email protected]> wrote: > > Maybe try a hard reset first > > 73, > > Cliff K3LL > > -----Original Message----- > From: [email protected] <[email protected]> On > Behalf Of Dave (NK7Z) via Elecraft > Sent: July 15, 2025 9:59 AM > To: [email protected] > Subject: Re: [Elecraft] KAT500 autotuner odd operation > > Hi Dave, > > It's probably time to call Elecraft and seek advice... > > > 73, and thanks, > Dave (NK7Z) > https://www.nk7z.net > ARRL Volunteer Examiner > ARRL Technical Specialist, RFI > ARRL Asst. Director, NW Division, Technical Resources > > It was one thing to have guessed it, another to have had that guess > confirmed beyond possibility of refutation. > Arthur C. Clarke > >> On 7/14/25 21:18, dave ingebright via Elecraft wrote: >> I have a KAT 500 Autotuner and its been acting oddly for the last few > weeks. I am using it connected to three antennas and it will not tune the > antenna in the #3 socket. During troubleshooting, I have hooked it to a > dummy load, with new coax and it says high SWR. Tuning on the other antennas > seems to be suboptimal. It has intermittant high SWR on the other antenna > outputs but now #3 seems to always show high SWR. Has anyone seen this or > has any ideas? I am running it with a KPA 500, but never over 250 watts. The > antenna is a G5RV. The antenna matches OK using the internal FlexRadio 6400 > tuner... >> //dave >> WB7ELY >> ______________________________________________________________ >> 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] > > > > ______________________________________________________________ > 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]
