[Elecraft] K3: No Power Output

[William Evans]

Ok, I need some help.
My K3 has been working great, even though I have not found much time  
recently to operate.  I listen more than I talk, and everything has  
been great.  Today I sit down after work and turn it on and attempt to  
transmit.  No power output.  The display reads zero watts, and has two  
dashes where the SWR normally resides.  The "TX" icon is flashing on  
and off.  Here is what I have done:

1)  Checked to make sure it was not in "test" mode.  That was Okay.
2)  Checked to make sure that I have not routed RF through the KXV3's  
XVTR IN/OUT jacks by accidently switching to a transverter band.  That  
was okay.
3)  Checked that CONFIG:KXV3 was not set to TEST.  That was okay.
4)  Attempted to recalibrate the power on all bands via the manual.   
Got no output when pressing the TUNE button.

We have not had any power outages, nor have we had any thunderstorms  
(Almost wish we would, because we could use the rain, it is sooooo dry  
here in Kentucky!)

The K3 is a K3-100 with KXV3 board, the 13KHz, 2.8KHz and 400Hz  
filters, KAT3 board.  I have hooked it to an external power meter (the  
LP-100) and dummy load to be sure it was not putting out any power, so  
the cables have all been switched and have been eliminated as  
problems.  The receiver was operating, although it's gain did not seem  
to be quite what it has been. (This may be a clue?)

So, I am asking the collective wisdom of this list-serve, "What else  
do I check?"

"There are 10 types of people in the world -- those who understand  
binary and those who don't."

William Evans
w4ish at w4ish.net