[Elecraft] K2-- Auto Tuner Issue

[Don Wilhelm]

That message says the K2 is not producing sufficient power to complete 
the TUNE.
Do you have power out of the K2?  Set the ATU menu to CALP and connect a 
dummy load.
If the K2 power is set at the extreme low power settings, that may not 
be enough to do a TUNE.  Turn the power upto 2 watts or more and try a 
TUNE again.

73,
Don W3FPR

KM4VX wrote:
> My AT has suddenly started showing "LO PO" after displaying the SWR on all
> bands when the TUNE button is pressed. I have the AT set to "AUTO" and even
> when manually increasing the power I still get the "LO PO" display after the
> K2 displays the SWR. Changing antennas has no effect. Ths is K2 serial
> number 6255 which otherwise seems to be working fine. Welcome any ideas.
> Thanks.
>   
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