[Elecraft] K3 failure

[Mike K2MK]

Hi Alan,

I had a K3 load lockup a few weeks ago and I used the technique described in
the help menu in the K3 Utility Program. Search for MCU Boot Loader
Troubleshooting. Full instructions will be displayed.

I also removed the RS232 link between the K3 and P3 so that the K3 had a
direct serial connection to the computer. But that may be overkill.

I know what caused my particular lockup. I tried to cancel a load sequence
after it began because of a stupid impulse. I know I'll continue to do
stupid things but I won't do that particular stupid thing again.

73,
Mike K2MK



Alan Grant wrote
> 
> I don't know what I have done to my K3, no 5779 I was trying to update the
> Beta 4.51 and the computer just filled through all the attempts to connect
> on different ports at different baud rates, and could not connect, next
> thing I know, the transmit light just keeps on flashing the dial lights
> went out and I can see mcu ld faintly I cannot turn the 
> 
> K3 off with its power switch I think I nearly had a heart attack. I have
> attempted to find that fault in the manual, and cannot seem to find an
> error that matches my fault.
> 
> HELP PLEASE, what should I do, or where do I look, has anyone seen this
> fault before
> 
> Desperately seeking assistance.
> 
> Alan Grant VK4KO
> 


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