[Elecraft] K3 SHUTTING DOWN OPERATING JT65

[Nr4c]

If your K3 draws 5A on receive you need to contact Elecraft NOW.  

Sent from my iPhone
...nr4c. bill


> On Jul 25, 2017, at 11:01 AM, Colin <colin.g3psm at gmail.com> wrote:
> 
> Mike, I am experiencing a similar thing.   I had a session on FT8 a few days ago and my K3 shut down completely, in fact it blew a 20A fuse on my alternate 20A PSU but just shuts down on my 40A supply.
> 
> One thing I notice is that it appears to be drawing nearly 5 Amps on receive which is excessive and one occasion while I was testing actually shut down on receive.
> 
> It isn't the DC lead as I have replaced that with a factory supplied item.
> 
> I'm still working on it but unless the experts in this group have any ideas I will attempt to re-invent the wheel.
> 
> 73
> 
> Colin, G3PSM
> 
>> On 23/07/2017 03:17, Michael Walker wrote:
>> Hi Buddy
>> 
>> I can thing of 2 things.  Overheating .. not likely since usually the RF
>> section shut downs.
>> 
>> RF getting into the power supply.  Grounding might not make a difference.
>> RF Chokes on the power supply DC cord might help.
>> 
>> Oh, the 3rd thing, Is your power supply up to the task?  Might it be
>> failing? Throw a volt meter on it.
>> 
>> Mike va3mw
>> 
>> 
>>> On Sat, Jul 22, 2017 at 9:28 PM, buddy s <buddys70 at gmail.com> wrote:
>>> 
>>> i am using wsjt-x software for jt65 using my k3.  after operating for
>>> approximately 2 hours today,  i answered a cq, and after 30 seconds the k3
>>> shut down completely.  i waited a few minutes and changed antennas.  the k3
>>> powered up, and i tried again.  same result, shutdown after 30 seconds of
>>> transmitting.  my power is set to 30 watts, and i am using a kat500 with
>>> both antennas.