Bob, Yes I think you are right but I think the amps Hp and Lp are ok because it just happens on 20 mtrs. I think there is something bad in the LPF or ATU. I betting on the ATU. But not for sure. Emailed support Lee
On Wed, Mar 4, 2020, 2:11 PM Bob McGraw K4TAX <[email protected]> wrote: > I would run a TX gain calibration using the K3 Utility and a 50 ohm dummy > load. Then with an external power meter and dummy load, observe the power > output on each band. Be sure the ATU is bypassed for this measurement. > This would isolate the issue to the PA, ATU or low pass filter which is > band dependent. > > Bob, K4TAX > > > Sent from my iPhone > > > On Mar 4, 2020, at 12:46 PM, Leroy Buller <[email protected]> wrote: > > > > I have a K3 that seems to have a problem. I am getting HI CURRENT > warning > > only on 20 meters. The antenna is matched. 80, 40 and 15 do not have > the > > issue. The current meter on the power supply does show quite a bit of > > current (20+ amps) on 20 meters but when I reduce power it stops giving > me > > the issue on 20 meters. When I reduce power on 20 meters, the high > current > > goes away around 65 watts. > > > > Anyone have an idea what is going on? I do appreciated the help > > > > Lee - K0WA > > ______________________________________________________________ > > 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]

