[K3] [Elecraft] K3 power tripping out

Jon K Hellan hellan at acm.org
Thu Dec 4 09:10:23 EST 2008


G4AFU Paul wrote:
> For some unknown reason my K3 (897) tripped out 3 times last night when on
> 160m cw. 
> I was running 90w out with a 1 to 1 swr - auto ATU installed. 
> Each time I brought it back to life by hitting the POWER button.
> 
> It is a little disconcerting when in mid QSO!
> 
> Has anyone else had this happen to them?

This happens to me when SWR is a bit off, and also happened with my previous rig. I haven't measured,
but I suspect that it's pulling more current, making the power supply voltage drop. I can usually
avoid the condition by turning power back a little - say to 70 or 80 W. The power supply is rated for
25 A.

73
Jon LA4RT


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