Malfunction of the Keys at the K3 Front Panel after Firmware update

[Chris_DL2MDU]

I had a K3 SN 1115 on my table. After update the firmware to 5.66 there was
an issue with the Front Panel.
Keys did not work (MENU, SHIFT-LO). Other Keys have changed (NR was on
RX_ANT)
I used an earlier version (5.35) without success.

73 Chris, DL2MDU



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73 Chris, DL2MDU
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[Don Wilhelm]

Chris,

Do you have a saved configuration file from when it worked right?
If so, you can do a "Parameter Initialization" as described on page 66
of the manual, then Restore the configuration

Even without a saved configuration, you can try doing a "Save
Configuration" now so you can restore it after the initialization.

If neither is workable, then write down the menu settings so you can
restore them manually.

Should all that fail, Elecraft may have to original factory
configuration file.  Ask by emailing [hidden email] with the
serial number and original owner's name and callsign.

73,
Don W3FPR

On 2/2/2019 3:54 PM, Chris_DL2MDU wrote:
> I had a K3 SN 1115 on my table. After update the firmware to 5.66 there was
> an issue with the Front Panel.
> Keys did not work (MENU, SHIFT-LO). Other Keys have changed (NR was on
> RX_ANT)
> I used an earlier version (5.35) without success.
>
> 73 Chris, DL2MDU
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[Alan Bloom]

I think something like this can happen if you don't do all the firmware
loads (DSP, CPU, etc.) at the same time so that they are all the same
compatible firmware versions.

Alan N1AL


On 2/2/19 1:12 PM, Don Wilhelm wrote:

> Chris,
>
> Do you have a saved configuration file from when it worked right?
> If so, you can do a "Parameter Initialization" as described on page 66
> of the manual, then Restore the configuration
>
> Even without a saved configuration, you can try doing a "Save
> Configuration" now so you can restore it after the initialization.
>
> If neither is workable, then write down the menu settings so you can
> restore them manually.
>
> Should all that fail, Elecraft may have to original factory
> configuration file.  Ask by emailing [hidden email] with the
> serial number and original owner's name and callsign.
>
> 73,
> Don W3FPR
>
> On 2/2/2019 3:54 PM, Chris_DL2MDU wrote:
>> I had a K3 SN 1115 on my table. After update the firmware to 5.66
>> there was
>> an issue with the Front Panel.
>> Keys did not work (MENU, SHIFT-LO). Other Keys have changed (NR was on
>> RX_ANT)
>> I used an earlier version (5.35) without success.
>>
>> 73 Chris, DL2MDU
> ______________________________________________________________
> 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
> Message delivered to [hidden email]

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[KeithWE6R]

Sounds like a bad encoder and was just coincidental to the FW update.
On the 4 small push-button encoders, tap each one and you will probably
find one that does not toggle the LEDs.
The old encoders leak resistance internally and it disrupts the
push-button matrix causing wrong button pushes.
Replace all 4, Elecraft part number E640018.
You may be able to tap or snap the bad one repeatedly to get it back to
working (but it will fail again).
Keith WE6R
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