[Elecraft] KPA100 no output above 11 watts

[Robert Tellefsen]

Hi Glen
Long time no QSO.
Check the rf input circuit to the KPA100. 
If the K2 is looking into a short or aseriously wrong impedance,
it would be real unhappy.
Hope to see you on the iar one of these days.
73, Bob N6WG

----- Original Message ----- 
From: "Glenn Maclean" <wa7spy at comcast.net>
To: "Elecraft List" <elecraft at mailman.qth.net>
Sent: Saturday, November 03, 2007 4:00 PM
Subject: [Elecraft] KPA100 no output above 11 watts


> I just finished putting a KPA100 kit together. All the initial tests 
> were satisfactory until I got to the point where it is time to check the 
> output of the PA above 11 watts. When I set my K2 above 11 watts I get a 
> High Current message with no power out. I set CAL current to 3.5 amps. I 
> set the CAL current to 4 amps with the same issue. The K2 works with the 
> amp connected at power levels below 11 watts.
> 
> Where do I start looking? I have looked around T1 and components per the 
> manual. The component values are correct.
> 
> Thanks,
> Glenn WA7SPY
> 
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