Check your cables. It may be that you are using a straight-through cable with the power pins connected between the K3 and the KPA. These two pins (pin 8 on both sides) must not be connected.
73! Jack, W6FB > On Aug 8, 2019, at 1:05 PM, w4sc <[email protected]> wrote: > > Is there an issue with the KPA500 being OFF with power up -> booting of the > K3? Does it need to be actually powered up, i.e. and in operational state? > OR is just having it in the “sleeping” state (REAR switch ON, FRONT PANEL > SW-OFF) OK? > > I know about KAT500 and AUX-BUSS stopping K3 bootup, and have an “automatic” > solution that works great. > > Ben W4SC > > > Sent from Mail for Windows 10 > > ______________________________________________________________ > 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]

