[Elecraft] [K3] Disappearing VCO error

[Eric Swartz - WA6HHQ, Elecraft]

Hi Ian,

Make sure you are running the latest release of K3 firmware. We recently 
released MCU 4.14 / DSP 2.60 / FPF 1.13

See: http://www.elecraft.com/K3/k3_software.htm

73, Eric  WA6HHQ
www.elecraft.com
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On 10/27/2010 5:34 AM, Ian White GM3SEK wrote:
> After the K3 had been running for a few hours yesterday evening, just
> listening to the bands, it stopped working with ERR PL1 (and PL2). These
> were genuine hardware errors - neither of the two VFOs would tune and
> both receivers were dead. Attempts to re-calibrate the VCOs ended with
> ERR VCO and ERR VC4.
>
> I switched off and left the problem overnight, and this morning both
> VCOs calibrated successfully with no further errors so far.  (A notable
> difference was the successful calibrations took much longer over some of
> the steps. The failed attempts had rattled through all the steps at the
> same high speed.)
>
> The firmware was MCU 4.12 / DSP 2.60 / FPF 1.13.  After everything was
> working correctly again, I have updated to MCU 4.14.
>
> Hardware is K3/100 #724, with KAT3, KRX3, KXV3 and all modifications to
> date.
>
> The question is: why did this happen? And with CQWW SSB coming up, could
> it happen again?
>
>