KRC2 FIRMWARE FAILURE?

[Rich-4]

One of my KRC2s keeps dumping the firmware, about every two or three weeks.
The LED starts with the ON/OFF blinking and will not work.  I reload the
firmware and all is fine for a bit.

 

Has anybody else seen this issue?

 

I have more than one and the others are fine.

 

Rich

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[Don Wilhelm-4]

  Rich,

I would try to analyze what is different about that particular KRC2.  
Cable placement, enclosure placement, antennas (or other devices)
controlled, to see what is different.  Once that list is produced, maybe
something will reveal itself as a probable cause.  Ferrites on the
control lines may help if it is RFI induced, static reduction techniques
(drain resistors on critical points) may help if it is static induced.

If neither of those conditions exist, I would review the soldering on
that KRC2 with great care on the guess that an intermittent connection
may be possible.

73,
Don W3FPR

On 4/21/2011 11:40 PM, K3RWN wrote:

> One of my KRC2s keeps dumping the firmware, about every two or three weeks.
> The LED starts with the ON/OFF blinking and will not work.  I reload the
> firmware and all is fine for a bit.
>
>
>
> Has anybody else seen this issue?
>
>
>
> I have more than one and the others are fine.
>
>
>
> Rich
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>

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[Laurent F6DEX]

Rich

I have had this issue one time only...  May be RFI, don't know. Wiring is clean and simple.

73, Laurent F6DEX