John,
I had something similar happen to me a couple of days ago. I did not
experience the shut down you noted, but I did see the power setting flash on
the display and then after that when I hit the tune button it would not self
terminate (also did not hear the relays kick on the KAT100).
I did a shut down and turned everything back on but the tuning still
operated the same, in fact most of the bands had exceptionally high swr.
I found searching through the menu settings that the ATU setting was set to
CAL instead of AUTO. I don't know how it got changed (I did not manually
change it), I am assuming that when I saw the power flash on the display
that it occurred then.
Not sure what is occurring, but after setting the ATU back to AUTO
everything went back to normal and I haven't seen a problem since.
Dave
W9FGU
> -----Original Message-----
> From:
[hidden email] [mailto:elecraft-
>
[hidden email]] On Behalf Of John Wiener
> Sent: Sunday, October 22, 2006 11:04 AM
> To: Elecraft email
> Subject: [Elecraft] KAT100 problem
>
> About a week ago I was transmitting SSB on 20M when the K2 shut
> itself down unexpectedly.
> I turned it back on and found no error message and all seemed well.
>
> I now realize that I hear no relay clicks on the KAT100 when changing
> bands. On 20M I now get a 2:1 SWR, whereas before, I think after
> relays the SWR was lower.
> On 30M, a test carrier displayed alternating 1:1 and 5:1.
> Also, before this incident, tapping the "Tune" button caused a self-
> terminated 20W carrier. Now the Tune button puts out full carrier
> and is not self-terminating.
>
> Any ideas?
>
> John
> AB8O
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