[Elecraft] KPA500 REFL HI Message - With Dummy Load

[Carl Clawson]

Do I understand right that high power is the key. In other words, you can
run low power through the amp with the amp in bypass? The first thing I
look for when this happens is something arcing under high power. Check your
connectors. Once you arc a connector it will often have a carbon trace on
it that will make it keep arcing even without the stress of trying to run
to a high SWR load through a tuner.

HTH, 73, Carl WS7L

On Tue, Oct 16, 2012 at 1:47 PM, KD4NUE <dalite01 at bellsouth.net> wrote:

>
> Through tuner (Manual Palstar) to antenna, through tuner to dummy load,
> dummy load direct to KPA500.....  Makes no difference.
>
> Amp tries to make power, SWR LEDS peg out.  REFL HI error and amp goes to
> standby.
>
> Same thing with drive from 10 watts up.
>
> Tuner shows 1:1, rig shows 1:1.  Amp sees it as Reflected Power too high.
>
> Suggestions?
>
> David
> KD4NUE
>
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