[Elecraft] MCU LD

[Don Wilhelm]

  Jack,

Just holding the power button for 10 seconds is not sufficient.
Go to the K3 Utility Help file, and click on Troubleshooting.
 From there, select Forcing the K3 into "Firmware Load Required" Mode
Then follow ALL the instructions shown.

73,
Don W3FPR


On 7/1/2011 10:55 AM, W4GRJ wrote:
> I think I have a real mess up here. I did the latest firmware update and all
> seemed o.k. until I tried to transmit. I have no audio at all. Thinking it
> could be the mike, I put the original K3 mike on with same results. O.K.,
> all I did was a firmware update so I decided to back rev to previous
> version....my lovely K3 choked and shut down during the first part of the
> upload. Now all I get is a blinking red power led and MCU LD in the display.
> I tried the reset procedure, holding the power button for 10 sec without
> success. The utility does not recognize the radio is connected. Appreciate
> suggestions to fix short of sending the radio back.
>
> Tnx,
> Jack
> W4GRJ
>
>