Hi Kev Don is 100% right.
I would change all the cables and then test with the amp alone and the tuner alone to narrow it down. I spent 3 days debugging an Acom A1000 issue only to finally out I had a bad jumper cable. Mike va3mw On Mon, Nov 13, 2017 at 5:05 PM, Don Wilhelm <[email protected]> wrote: > Kev, > > That behavior can be caused by a coax jumper, either loose or faulty in > some way. Make sure the PL-259s are tight and if you can substitute the > jumpers with known good ones - particularly the one between the KPA500 and > the KAT500 and the one between your transceiver and the KPA500. > There are as many problems caused by cables as are caused by equipment. > Some cable problems have no apparent problem at lower power, but rear > their ugly head at higher power. > You could also have a higher power problem with your antenna. Switch to > an alternate antenna or dummy load if possible (tune the KAT500 into the > dummy load) as a test. > > 73, > Don W3FPR > > > On 11/13/2017 4:41 PM, Kevin der Kinderen wrote: > >> Waiting on an answer from Elecraft but thought I'd also check with the >> group here. >> >> I have a Flex 6500 with KAT500/KPA500 combo. It's been working great until >> very recently. Within the past couple of days I was intermittently reading >> high SWR when the amp is in operate. In standby or off everything looks >> good. As of last night it's not so intermittent. >> >> In receive when I switch from standby to operate I'm only receiving the >> strongest of signals. Everything else disappears almost like the antenna >> was disconnected. >> >> When switching between standby and operate I hear a relay clicking. I'm >> not >> sure but it doesn't seem to be as loud a click as I normally hear but I >> can't be sure. >> >> With the amp powered down and the Flex set to 100 watts out everything >> seems to be working fine. I'm afraid my amp is going to take a trip. Any >> ideas for things to check? >> >> 73, >> Kev K4VD >> ______________________________________________________________ >> 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] > ______________________________________________________________ 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]

