[Elecraft] Jumping K2

[gwwhatley at juno.com]

Hi all
 
My K2 # 4758 has gone strange.  All is well if power is set to less than about 10 watts.  But lately, if power is set to 12 w or more, it shuts down and emits a loud and nasty sounding "howl", which only lasts a moment.  It promptly comes back on, but the frequency changes to a previously used frequency.  This was not a one time happening, but can be duplicated.  It seems to be so on all bands.  The only options I have is the KAF-2, (which I love), and the noise blanker.  Other than this problem, all is fine, and I am very pleased with my little sweetheart of a rig.  I can understand its shutting down, but why is it changing frequency and barking at me??  In its earlier days when it shut down, it did so quietly and returned to the same frequency.
 
Any ideas??
 
Tnx and 73,
George, N4YM