Something similar happened with my KX3. Support told me to reset and reload all the firmware, and it worked fine after that.
I recommend that you get advice from Elecraft. Their advice worked for me. wunder K6WRU On Mar 13, 2013, at 8:12 PM, Arliss wrote: > Running the low and high power TX gain calibration via the K3 Utility gave > the following result: > > "TX Gain calibration failed because power reading did not converge to a > consistent value. 5W calibration failed." > > "TX Gain calibration failed because power reading did not converge to a > consistent value. 50 W calibration failed." > > The low power calibration failed on 40 meters and stopped there. The 50 W > calibration failed on 160 meters and stopped there. > > The radio also gave an error message: ERR TXG (Transmit gain constant out of > range). > > 73, Arliss > > > > Arliss, > > I would suggest that you run the Transmit Gain Calibration and see if that > improves the situation. > > 73, > Don W3FPR > > On 3/13/2013 9:10 PM, Arliss wrote: > >I'm experiencing a problem with instability in power output >from my K3/100. > > No word back from Elecraft yet (it's only been >a few days), so I thought > >I'd try here. > > > > The problem is that at relatively low power output levels > >(approximately 10 to 40 watts), the power output does not >remain constant. > > If I engage TUNE, the power will vary >plus/minus 3 or 4 watts, then jump > >up briefly by as much as 10 >watts or more before resuming smaller > >excursions. Although the >power variations are brief, they cause the grid > >protection >circuit in the amp to trip. This behavior seems to be > >>independent of mode and frequency. > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html -- Walter Underwood [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
