[Elecraft] KPA1500 Faulting for High SWR inappropriately

[Morgan Bailey]

Are you developing an overshoot from the K4?

On Mon, Dec 19, 2022 at 4:00 PM David F. Reed <w5sv.dave at gmail.com> wrote:

> Lou,
>
> I appreciate the suggestion, but it is with a K4D, properly cabled, used
> to work fine, and does it on some bands but not others... changed the
> delay to 15ms and still does it... Also seems to depend on band; for
> example, does it on 10m, not on 12m...
>
> Also, below, I said 2 SWR meters; I meant 3...
>
> 73 de Dave, W5SV
>
> On 19-12-22 21:28, Lou Laderman wrote:
> > Check the delay setting on your transmitter. You might have a hot
> switching issue. I think (but check your manual) that unless you’re using
> the KPA1500 with a K3 or K4 without the 15-pin Elecraft interface cable,
> you’ll want at least 10ms of delay to avoid that. I had that issue with a
> K4 and a PGXL. Default on the K4 is 8ms and the PGXL needed 10ms.
> >
> > 73, Lou W0FK
> >
> > Lou Laderman
> > Sent from my mobile device
> >
> > On Dec 19, 2022, at 2:59 PM, David F. Reed <w5sv.dave at gmail.com> wrote:
> >
> > My KPA1500 has started faulting inappropriately for High SWR.
> >
> > I say inappropriately because all 2 of my SWR meters (K4D, KPA1500,
> Palstar HF-AUTO) show an SWR of between 1.1:1 and 1.2:1. with just the K$
> transmitting and also with the KPA1500 in fine as it faults out.
> >
> > Any ideas?
> >
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