[Elecraft] K3 shuts off

[Jon Kåre Hellan]

Jim Wiley wrote:
> Could be the power supply.  Some regulated supplies shut down 
> completely if the overcurrent protection trips, and they have to be 
> completely shut down to reset them.  Clue: is anything else connected 
> to the supply, and if so, does it shut down t the same time as the 
> K3?  If so, then it's a power supply problem not a K3 problem.  
> However, if not that, then  (if the rig is connected to an antenna 
> when this happens) it may be RF getting back into the rig or the power 
> supply and and affecting the control circuits in either one.
>
In my case, it was the K3 shutting down, not the power supply. The cause 
was undervoltage. But once I
got a better power supply, the problem went away. I think both were 
rated 25A, but they were clearly
very different.

Jon LA4RT