What is the SWR? If above the KAT500 set value it inhibits the amp from being keyed. Check the KAT500 using the ATU utility.
Bob, K4TAX Sent from my iPhone > On May 15, 2020, at 1:50 PM, Jack Brindle via Elecraft > <elecraft@mailman.qth.net> wrote: > > > Check the cable connections, including making sure that none of the pins are > bent in the AuxIO connectors in both cables (K3S - KAT500, KAT500 - KPA500). > Also, make sure that the PTT line is actually being asserted. The asterisk is > displayed when the Key In is asserted. If it isn’t displayed that means the > KPA is not seeing that input active. Also realize that when the KAT500 is in > tune mode it blocks the key line going to the KPA. > > It is fairly common for someone to move something and the cable comes loose. > Be sure the screws are tightened down on the connectors and any adapters to > avoid this. > > 73! > Jack, W6FB > > >> On May 15, 2020, at 11:07 AM, Edward via Elecraft <elecraft@mailman.qth.net> >> wrote: >> >> I have the combo K3S/KAT500/KPA500 with all of the optional interconnection >> cables. >> >> I am not able to key the amp though it was working earlier. The asterisk >> does not appear in the display. >> >> I went through the menu and everything is set accordingly. The inhibit is >> disabled. >> >> Any help would be appreciated. >> >> 73, >> Ed NI6S >> ______________________________________________________________ >> 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 jackbrin...@me.com > > ______________________________________________________________ > 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 rmcg...@blomand.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
