Right on Dave, except that "simple" is a better term than "obvious."  My K3 is S/N 642 ... very long in the tooth now.  Perhaps 8 or 9 years ago 30 m quit.  Just internal noise and infinite SWR.  All the other bands were fine.  After about 2 days of fooling with the myriad of connectors and cables behind the rigs [remember, it's called "wireless"], I posted a minor plea here.

A fellow with the call N6KR called [yes, THAT N6KR] and began helping me trouble shoot.  He said, "Let's start with the simple things ... which antenna is selected on the bands where it works?"  I told him ANT1.  "OK," he said, "Now, which antenna is selected on 30 m?"  Everyone should be able to fill in the blanks from that point.

Elecraft radios remember a great number of settings, some globally, some on a mode and/or band basis.  W6RMK, my Elmer from 70 years ago told me, "When something fails, we nearly always believe it's caused by the worst possible thing that can happen.  It almost never is."

73,

Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County

Dave New, N8SBE wrote on 2/9/2023 11:58 AM:
Josep,

Please check the obvious things:

1) Is 'test mode' on?
2) Is the power level turned to zero?
3) Is the VOX on (for CW)?
4) Are you using the right antenna selection?
5) Is your key plugged in/wiring OK?

I know some of this is really basic, but sometimes in the heat of battle, something gets overlooked.

73,

-- Dave, N8SBE

On 2023-02-08 08:47, Josep Torres via Elecraft wrote:

Hi all,

Bad news here…. My K3 (radio 1) is not transmitting power out.!!
I have used this morning as I normally do and all was fine.
Around 1330h local time, I turned it on again and did QSO with
CT7/DJ2PR and all was fine. I let the radio on as the CWT contest
started at 1400h local.
When I started to operate the contest I realized that no power was
going out so very disappointed, I swapped to my other K3 (radio 2).
I really don't know what have happened but the thing is that after
trying for several times, no way, still no power out…
I think I can hear a light click coming from the back left side.

Any help please..? Thanks.

73,

Josep
EA6BF
BUG #256  -  CWops #3072  -  FOC #2182 (ex 1724)




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