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.d...@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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