KX3 ATU Not Tuning
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I have a KX3 with the ATU installed. I replaced the batteries and since
then the ATU will not tune. When I hit the ATU TUNE button it just says 25.4-1 and I can hear the relays going off. I opened it back up and looked for any cables not connected or anything and it looked all fine to me but I could have missed something. It was working just fine before the battery switch. ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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From what I’ve read, you have an open circuit to the antenna. Feedline
okay? I had a marginal feedline and had to replace it. I also had a bad BNC cable that deformed the connector on the side of the KX3 and had to replace it as well. On Sat, Aug 10, 2019 at 12:29 Aaron <[hidden email]> wrote: > I have a KX3 with the ATU installed. I replaced the batteries and since > then the ATU will not tune. When I hit the ATU TUNE button it just says > 25.4-1 and I can hear the relays going off. I opened it back up and looked > for any cables not connected or anything and it looked all fine to me but I > could have missed something. It was working just fine before the battery > switch. > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[hidden email] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [hidden email] > 72, Rich Hurd / WC3T / DMR: 3142737 Northampton County RACES, EPA-ARRL Public Information Officer for Scouting Latitude: 40.761621 Longitude: -75.288988 (40°45.68' N 75°17.33' W) Grid: *FN20is* ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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Low batteries can also prevent accurate ATU operation, in my experience. The ATU will do the best it can but can’t find a good match. Fresh batteries or a switch to external power will help.
73, Kevin Sent from my iPad > On Aug 10, 2019, at 12:03, rich hurd WC3T <[hidden email]> wrote: > > From what I’ve read, you have an open circuit to the antenna. Feedline > okay? I had a marginal feedline and had to replace it. > > I also had a bad BNC cable that deformed the connector on the side of the > KX3 and had to replace it as well. > >> On Sat, Aug 10, 2019 at 12:29 Aaron <[hidden email]> wrote: >> >> I have a KX3 with the ATU installed. I replaced the batteries and since >> then the ATU will not tune. When I hit the ATU TUNE button it just says >> 25.4-1 and I can hear the relays going off. I opened it back up and looked >> for any cables not connected or anything and it looked all fine to me but I >> could have missed something. It was working just fine before the battery >> switch. >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:[hidden email] >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> Message delivered to [hidden email] >> > -- > 72, > Rich Hurd / WC3T / DMR: 3142737 > Northampton County RACES, EPA-ARRL Public Information Officer for Scouting > Latitude: 40.761621 Longitude: -75.288988 (40°45.68' N 75°17.33' W) Grid: > *FN20is* > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[hidden email] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [hidden email] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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In reply to this post by rich hurd WC3T
Neither a low battery condition nor a bad feedline or connector will have
any bearing on the ATU.MD menu option. On Sat, Aug 10, 2019 at 8:45 PM Aaron <[hidden email]> wrote: > I checked the menu and the ATU MD is set to Auto > > On Sat, Aug 10, 2019 at 2:03 PM rich hurd WC3T <[hidden email]> wrote: > >> From what I’ve read, you have an open circuit to the antenna. Feedline >> okay? I had a marginal feedline and had to replace it. >> >> I also had a bad BNC cable that deformed the connector on the side of the >> KX3 and had to replace it as well. >> >> On Sat, Aug 10, 2019 at 12:29 Aaron <[hidden email]> wrote: >> >>> I have a KX3 with the ATU installed. I replaced the batteries and since >>> then the ATU will not tune. When I hit the ATU TUNE button it just says >>> 25.4-1 and I can hear the relays going off. I opened it back up and >>> looked >>> for any cables not connected or anything and it looked all fine to me >>> but I >>> could have missed something. It was working just fine before the battery >>> switch. >>> ______________________________________________________________ >>> Elecraft mailing list >>> Home: http://mailman.qth.net/mailman/listinfo/elecraft >>> Help: http://mailman.qth.net/mmfaq.htm >>> Post: mailto:[hidden email] >>> >>> This list hosted by: http://www.qsl.net >>> Please help support this email list: http://www.qsl.net/donate.html >>> Message delivered to [hidden email] >>> >> -- >> 72, >> Rich Hurd / WC3T / DMR: 3142737 >> Northampton County RACES, EPA-ARRL Public Information Officer for Scouting >> Latitude: 40.761621 Longitude: -75.288988 (40°45.68' N 75°17.33' W) >> Grid: *FN20is* >> >> > > -- > '72 > Aaron Scott > K5ATG <https://k5atg.blogspot.com/> > Mid-Del Amateur Radio Club <http://www.w5mwc.org/> > > -- 72, Rich Hurd / WC3T / DMR: 3142737 Northampton County RACES, EPA-ARRL Public Information Officer for Scouting Latitude: 40.761621 Longitude: -75.288988 (40°45.68' N 75°17.33' W) Grid: *FN20is* ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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Ok, thanks.
On Sat, Aug 10, 2019 at 8:23 PM rich hurd WC3T <[hidden email]> wrote: > Neither a low battery condition nor a bad feedline or connector will have > any bearing on the ATU.MD menu option. > > On Sat, Aug 10, 2019 at 8:45 PM Aaron <[hidden email]> wrote: > >> I checked the menu and the ATU MD is set to Auto >> >> On Sat, Aug 10, 2019 at 2:03 PM rich hurd WC3T <[hidden email]> wrote: >> >>> From what I’ve read, you have an open circuit to the antenna. Feedline >>> okay? I had a marginal feedline and had to replace it. >>> >>> I also had a bad BNC cable that deformed the connector on the side of >>> the KX3 and had to replace it as well. >>> >>> On Sat, Aug 10, 2019 at 12:29 Aaron <[hidden email]> wrote: >>> >>>> I have a KX3 with the ATU installed. I replaced the batteries and since >>>> then the ATU will not tune. When I hit the ATU TUNE button it just says >>>> 25.4-1 and I can hear the relays going off. I opened it back up and >>>> looked >>>> for any cables not connected or anything and it looked all fine to me >>>> but I >>>> could have missed something. It was working just fine before the >>>> battery >>>> switch. >>>> ______________________________________________________________ >>>> Elecraft mailing list >>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft >>>> Help: http://mailman.qth.net/mmfaq.htm >>>> Post: mailto:[hidden email] >>>> >>>> This list hosted by: http://www.qsl.net >>>> Please help support this email list: http://www.qsl.net/donate.html >>>> Message delivered to [hidden email] >>>> >>> -- >>> 72, >>> Rich Hurd / WC3T / DMR: 3142737 >>> Northampton County RACES, EPA-ARRL Public Information Officer for >>> Scouting >>> Latitude: 40.761621 Longitude: -75.288988 (40°45.68' N 75°17.33' W) >>> Grid: *FN20is* >>> >>> >> >> -- >> '72 >> Aaron Scott >> K5ATG <https://k5atg.blogspot.com/> >> Mid-Del Amateur Radio Club <http://www.w5mwc.org/> >> >> > > -- > 72, > Rich Hurd / WC3T / DMR: 3142737 > Northampton County RACES, EPA-ARRL Public Information Officer for Scouting > Latitude: 40.761621 Longitude: -75.288988 (40°45.68' N 75°17.33' W) > Grid: *FN20is* > > -- '72 Aaron Scott K5ATG <https://k5atg.blogspot.com/> Mid-Del Amateur Radio Club <http://www.w5mwc.org/> ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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