KRC2 F/W Upgrade - problems

[Marcus Busch [DL1EKC]]

Hi Elecrafters,

just decided to upgrade my KRC2 firmware from V1.0 to V1.3.

I installed the KRC2 Download Utility V1.1, connected my KRC2 to the PC,
set the switch to download. Then I made the following:

- Press button "Get F/W Rev."
- KRC2 responds "V1.0"
- selected the HEX file
- press "Download KRC2", KRC2 LED starts flashing
- program says "KRC2 failed to reply" (well, it did before ?)

After trying this several times I decided to switch off Options/Ack Req'd
and started again. Now no error message comes up, but ...

NOW MY KRC2 IS COMPLETELY DEAD. Upon power-on the LED comes up in DIM
mode, but nothing more happens. It doesn't set any outputs nor does it
reply on button presses.

Well, I think, my KRC2 lost its brain. I have a programmer available. So
no difficult task to flash the MCU directly, but the HEX-file supplied
seems to be a somehow modified INTEL HEX file. What do I have to do in
order to put life back into the MCU ?

Your help is very welcome.

VY 73 de Marcus, DL1EKC

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[Marcus Busch [DL1EKC]]

> NOW MY KRC2 IS COMPLETELY DEAD. Upon power-on the LED comes up in DIM

Problem solved. In a series of e-mails Jack helped me getting my KRC2 back
to life. Again Elecraft proved to not only have the best rigs, they also
have the best (and fastest) support!

Thank You, guys!

VY 73 de Marcus, DL1EKC

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