Arcing. Try reducing power and see if the faults go away. Raise the power gradually from low and see when the faults appear. Where faults occur and why is another subject.
73, Guy K2AV On Thursday, May 28, 2015, w4grj <[email protected]> wrote: > My KPA500 has recently started to switch from operate to standby while > using > on voice LSB on 40 meters > KAT500 tunes to 1.38 SWR, the bypass SWR is 3.1 > This now happening on several occasions...any suggestions appreciated. > > Jack > W4GRJ > > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] <javascript:;> > > 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] <javascript:;> > -- Sent via Gmail Mobile on my iPhone ______________________________________________________________ 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]
