K3 problem

[Jim Bobo-2]

Just got my antenna up after 3 years of the air and tried the K3. It
just shuts down when keyed. Was back to the factory several months ago
and not been turned on since. Have a manual somewhere but can't put my
hands on it. Any help would be appreciated.

73, Jim, W5ODD
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[Mike Reublin]

Jim -
You can download the manual. http://www.elecraft.com/K2_Manual_Download_Page.htm

73, Mike NF4L

> On Oct 25, 2014, at 1:06 PM, Jim Bobo <[hidden email]> wrote:
>
> Just got my antenna up after 3 years of the air and tried the K3. It just shuts down when keyed. Was back to the factory several months ago and not been turned on since. Have a manual somewhere but can't put my hands on it. Any help would be appreciated.
>
> 73, Jim, W5ODD
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[Vic Rosenthal]

Could the power supply be shutting down for some reason? Measure the PS
voltage when this happens.

Also, try transmitting into a dummy load to eliminate possible
RF-in-the-shack issues.

On 25 Oct 2014 20:06, Jim Bobo wrote:
> Just got my antenna up after 3 years of the air and tried the K3. It
> just shuts down when keyed. Was back to the factory several months ago
> and not been turned on since. Have a manual somewhere but can't put my
> hands on it. Any help would be appreciated.
>
> 73, Jim, W5ODD


--
73,
Vic, 4X6GP/K2VCO
Rehovot, Israel
http://www.qsl.net/k2vco/
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[Don Wilhelm-4]

Jim,

Check the power supply to see if it is shutting off - if it not that,
try the K3 into a dummy load.  If the problem goes away with the dummy
load, the most likely reason is RF in the shack.

I did not think I had a problem with RF in the shack until I recently
tried working on 10 meters.  At power levels above 75 watts, the K3
would turn off all by itself - but no problem into a dummy load, so I
have to get some ferrite on that antenna.

If RF is causing it, take heed of the wealth of information for
attacking it in K9YC's paper on dealing with RFI at
http://audiosystemsgroup.com/RFI-Ham.pdf

73,
Don W3FPR

On 10/25/2014 1:06 PM, Jim Bobo wrote:
> Just got my antenna up after 3 years of the air and tried the K3. It
> just shuts down when keyed. Was back to the factory several months ago
> and not been turned on since.

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