[Elecraft] KPA500 faults on first dit at times

Ken Wagner K3IU kenk3iu at cox.net
Thu Dec 27 20:39:47 EST 2012


I suggest you run the TX Gain 
Calibration procedure on the K3. That 
worked for me.
73, Ken K3IU
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
On 12/27/2012 8:24 PM, Bill Hammond wrote:
> Seasons Greetings Ellecrafters,
>
> "KPA500 faults on first dit at times"
>
> It doesn't happen all the time and I can't pin down the sequence of events when it happens, the last time was after a band QSY after clicking on a spot in my logging software. I am wondering if others have had issue or have solved the problem.  The fault on the KPA500 is too much drive.  I have the drive adjusted per band and none above 32 watts.  It resets quickly and all is well after the initial fault.  It usually happens once or twice a day.
>
> After bringing the amplifier back on line, all is well.  It just scares me when it happens :)
>
> 73,
> Bill
> AK5X
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