Is the LOA500 connected to the correct antenna port!? Very important. Sent from my iPhone ...nr4c. bill
> On Oct 25, 2016, at 6:22 PM, Byron Peebles <[email protected]> wrote: > > Thanks to all who have sent suggestions on how I might resolve my "KAT Not > Tuning" issue. > > Here's what I think I know so far: > > 1. The KAT seems fine. > 2. The P3 Output Monitor thinks it sees 0.6W on the antenna line after the > KAT. > 3. This implies to me that the K3S thinks it is tuning with 25W, but it isn't. > 4. This implies that the KAT isn't tuning due to low drive (and maybe it's > already tuned). > > 5. Last night when I ran one of the Utilities, probably the KPA one, I though > I saw an Fxx code streaming into the text box on the MACRO tab of the > utility. I thought it might be F00F00F00, but I'm not sure. That could be > some communications error between the KPA and the K3S, but it isn't happening > now. > > 6. The HIGH SWR display at the K3S is 11:1 plus/minus in TUNE (25W) when the > KPA is STANDBY and 9:1 plus/minus when in OPERATE and 15:1 when the KPA is > OFF. In all three situations the K3S thinks it is outputting 25 watts, but > it doesn't seem to be. > > 7. If I key the radio in KPA OPERATE it looks like the KPA is outputting 30 > or 40 watts if you trust the display. Varying the K3S output doesn't have a > corresponding change in KPA display, it just moves from 30 to 40 to 30 out. > That happened once but I cannot repeat that test result. > > 8. I have powered-off the KPA with the rear switch and discconected "the > mains". This should have reset any hard faults. > > 9. The FAULT LOG shows the last error as "60V Supply Over limit" if the > latest is at the top, or "Excessive Reflect4ed Power (High SWR)" if the > latest is at the bottom. There is no timestamp so I cannot be sure when > these occurred, but an occasional HIGH SWR happens as I tune and fiddle with > antennas. (Sometimes I forget to retune a segment.) > > Should I suspect control cable issues or something internal to the KPA? > > Thanks, and 73, Byron > > ______________________________________________________________ > 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]

