Sudden K3 shutdown

classic Classic list List threaded Threaded
3 messages Options
Reply | Threaded
Open this post in threaded view
|

Sudden K3 shutdown

Jay Caldis

Out of no where, my K3 when I key the keyer, P or memory, will just shut down (no power).  I power it up and it goes right back to were I was as if nothing has happened.
This will happen every now and then. Like yesterday during the CW Contest, it shut down 4 times in three hours.

Does anyone out there know what the problem may be? SWR is 1/1 running 100 watts and ATU is used.  

I do not want to send it back if it is something I did. Any help would be appreciated.

Jay KT6Y

______________________________________________________________
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:[hidden email]

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Reply | Threaded
Open this post in threaded view
|

Re: Sudden K3 shutdown

Tony Estep
On Sun, Feb 19, 2012 at 6:27 PM, Ron D'Eau Claire <[hidden email]> wrote:
> Are you certain your 12VDC power isn't dropping out?...
==========
Jay, I had the same symptoms; turned out to be my astron 35A supply,
giving up the ghost. Try it with another supply and see, before you go
nuts trying to figure out a more complicated explanation.

Tony KT0NY




--
http://www.isb.edu/faculty/facultydir.aspx?ddlFaculty=352
______________________________________________________________
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:[hidden email]

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Reply | Threaded
Open this post in threaded view
|

Re: Sudden K3 shutdown

Bob Wolbert, K6XX
In reply to this post by Jay Caldis
I bet your power supply is running right at its current limit. When the
supply's limit is momentarily exceeded, its output voltage drops below 11.0V
and the K3 shuts down.

73 de Bob, K6XX
 

> -----Original Message-----
> From: [hidden email]
> [mailto:[hidden email]] On Behalf Of Jay Caldis
> Sent: Sunday, February 19, 2012 3:35 PM
> To: [hidden email]
> Subject: [Elecraft] Sudden K3 shutdown
>
>
> Out of no where, my K3 when I key the keyer, P or memory,
> will just shut down (no power).  I power it up and it goes
> right back to were I was as if nothing has happened.
> This will happen every now and then. Like yesterday during
> the CW Contest, it shut down 4 times in three hours.
>
> Does anyone out there know what the problem may be? SWR is
> 1/1 running 100 watts and ATU is used.  
>
> I do not want to send it back if it is something I did. Any
> help would be appreciated.
>
> Jay KT6Y
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html

______________________________________________________________
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:[hidden email]

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html