Steve; It is 4:40 on a Friday. If you haven’t done so already, call Customer Support NOW!
This is not good. My suspicion is circuitry on the PA sandwich, possibly the input network. - Jack, W6FB Elecraft Engineering > On Jul 28, 2017, at 3:25 PM, Steve Lund <[email protected]> wrote: > > It appears that my KPA500 has failed. It has a permanent "PA DISS" on all > bands. Just before that fault it smelt like wire insulation was burning (no > smoke). It has this condition on 160 - 6m. The fans seem to be running fine > and the PA temp was 50C. I've run the KPA500 on JT65/MSK144/FT8 for over a > month on 6m without a problem. > > I was using the amp on 6m with 400w out (about all I can get on that band > with 110vac). I had just finished a QSO on FT8. I can only get about 50w > out before the "PA DISS" occurs. > > I've opened the top cover and see no obvious damage. Are there any other > checks before sending it back to Elecraft? > > Thanks, > Steve, K6UM > ______________________________________________________________ > 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]
