That seems like a bad cable or the PC is not talking to the right port. You might also want to look at the section “Forcing a Firmware Download” on page 25 of the KX3 manual.
wunder K6WRU Walter Underwood CM87wj http://observer.wunderwood.org/ (my blog) > On Dec 9, 2018, at 6:52 PM, Dave Sublette <k4to.d...@gmail.com> wrote: > > It is not looking good, folks. The RS232 adapter which drives the KX3 is not > flashing any more as it usually does. The KX3 Utility returns "KX3 not > responding" when I test the link. All cables are properly connected. It's > been working perfectly until earlier this evening. > > I think it is due for a trip back to Elecraft. I will call them tomorrow. > > Thanks for the help. I did find the Help column and the troubleshooting , > etc.... > > I had already done all of those steps and got nothing but the "not > responding" error. > > I'll let everyone know what happens. > > 73, > > Dave, K4TO > > On Sun, Dec 9, 2018 at 8:32 PM Walter Underwood <wun...@wunderwood.org > <mailto:wun...@wunderwood.org>> wrote: > I’m sure you have checked, but I would open it up and make sure the ribbon > cables are fully seated. Then I’d check the cables to the PC. Probably > restart the PC, too. > > wunder > K6WRU > Walter Underwood > CM87wj > http://observer.wunderwood.org/ <http://observer.wunderwood.org/> (my blog) > > > On Dec 9, 2018, at 4:58 PM, Dave Sublette <k4to.d...@gmail.com > > <mailto:k4to.d...@gmail.com>> wrote: > > > > When I bring up the KX3 utility, there is no tab labeled Help or > > Troubleshooting or MCU. I now get a "KX3 is not responding" message. > > > > Dave > > > > On Sun, Dec 9, 2018 at 6:57 PM <d...@elecraft.com > > <mailto:d...@elecraft.com>> wrote: > > > >> I'd recommend the steps described in KX3 Utility Help, Troubleshooting, MCU > >> Boot Loader. > >> > >> 73 & Good Luck! > >> Dick, K6KR > >> > >> > >> -----Original Message----- > >> From: elecraft-boun...@mailman.qth.net > >> <mailto:elecraft-boun...@mailman.qth.net> > >> <elecraft-boun...@mailman.qth.net > >> <mailto:elecraft-boun...@mailman.qth.net>> > >> On > >> Behalf Of Dave Sublette > >> Sent: Sunday, December 9, 2018 15:04 > >> To: Elecraft Discussion List <elecraft@mailman.qth.net > >> <mailto:elecraft@mailman.qth.net>> > >> Subject: [Elecraft] KX3 has died > >> > >> I believe my KX3 has died in the past 30 minutes. It was operating with > >> N1MM prior to that. > >> > >> I went to the support page at Elecraft.com. > >> > >> I downloaded the latest KX3 Utility. > >> > >> I started the Firmware upgrade process. > >> > >> Initially the message said my KX3 was missing some files and to download > >> the > >> latest firmware. I did that without any trouble. > >> > >> When I went to transfer the firmware to the KX3, I got a message that said > >> "KX3 failed to enter firmware load mode" (or something like that). Further > >> instructions said to remove power, power back up and try again. > >> > >> Same result. > >> > >> Tried the "force firmware upgrade" by holding the Band- and ATU Tune > >> buttons down for 10 seconds. The firmware load failed again -- same error > >> "KX3 failed to enter Firmware load mode". > >> > >> Meanwhile the front panel of the KX3 showed " MCU LD" during the entire > >> time. > >> > >> The com port tested good, using the KX3 utility. > >> > >> I don't know what else to try. > >> > >> Looks like the next step is to contact Elecraft support. > >> > >> Any thoughts? > >> > >> Dave, K4TO > >> > >> ps -- I think the KX3 is just pouting because I have ordered a new K3s :-) > >> ______________________________________________________________ > >> Elecraft mailing list > >> Home: http://mailman.qth.net/mailman/listinfo/elecraft > >> <http://mailman.qth.net/mailman/listinfo/elecraft> > >> Help: http://mailman.qth.net/mmfaq.htm <http://mailman.qth.net/mmfaq.htm> > >> Post: mailto:Elecraft@mailman.qth.net <mailto:Elecraft@mailman.qth.net> > >> > >> This list hosted by: http://www.qsl.net <http://www.qsl.net/> > >> Please help support this email list: http://www.qsl.net/donate.html > >> <http://www.qsl.net/donate.html> > >> Message > >> delivered to d...@elecraft.com <mailto:d...@elecraft.com> > >> > >> > > ______________________________________________________________ > > Elecraft mailing list > > Home: http://mailman.qth.net/mailman/listinfo/elecraft > > <http://mailman.qth.net/mailman/listinfo/elecraft> > > Help: http://mailman.qth.net/mmfaq.htm <http://mailman.qth.net/mmfaq.htm> > > Post: mailto:Elecraft@mailman.qth.net <mailto:Elecraft@mailman.qth.net> > > > > This list hosted by: http://www.qsl.net <http://www.qsl.net/> > > Please help support this email list: http://www.qsl.net/donate.html > > <http://www.qsl.net/donate.html> > > Message delivered to wun...@wunderwood.org <mailto:wun...@wunderwood.org> > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > <http://mailman.qth.net/mailman/listinfo/elecraft> > Help: http://mailman.qth.net/mmfaq.htm <http://mailman.qth.net/mmfaq.htm> > Post: mailto:Elecraft@mailman.qth.net <mailto:Elecraft@mailman.qth.net> > > This list hosted by: http://www.qsl.net <http://www.qsl.net/> > Please help support this email list: http://www.qsl.net/donate.html > <http://www.qsl.net/donate.html> > Message delivered to k...@arrl.net <mailto:k...@arrl.net> ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
