[Elecraft] KPA-1500 failing on 160...AGAIN!

[Vic Rosenthal]

What happens with a dummy load? If it doesn’t fail, then the problem is in the antenna. The KPA may be more sensitive to a short period of high SWR than the K3.

Victor 4X6GP 

> On 27 Sep 2019, at 8:26, Peter Dougherty <lists at w2irt.net> wrote:
> 
> My KPA is once again repeatedly failing on 160m. I haven't used it on
> Topband since about the end of March, when it was fine. My antenna is
> checking out fine on my AA-230 ZOOM analyzer, and I can run 100W into the
> antenna from the K3s with no problem.
> 
> 
> I'm getting FAULT: PWR REFL on every keydown with drive power at any level,
> even just 5W in will cause it to fail.
> 
> I am running from the K3s directly into the KPA-1500, and from the KPA to an
> antenna switch out to the antennas. Everything was 100% last time I fired
> up, and the am IS working on 20 and 40 (the only other bands I've used since
> March). Any idea where to start looking here? I'm at a complete loss and
> have just missed two new DXCC entities on 160 as a result.
> 
> 
> ---------------------------------------------
> 73 and Good DX
> Peter, W2IRT
> 
> 
> 
> President, North Jersey DX Association
> 
> DXCC Card Checker
> Letter O Manager, ARRL Incoming 2nd District QSL bureau
> 
> 
> 
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