John, Do a full reset of the K3....in the manual, follow the steps and let me know how it goes.
Gary On 17 June 2011 15:59, VK7JB <[email protected]> wrote: > Hi Group, > > Using my K2/100 #6998 on 20m SSB phone today, running it into an > experimental small loop antenna. SWR was 1.5:1. Then: > > Hi Curr warning on LCD - shows continuously in TX. > Maximum power out (>100W) independent of power control setting > LED Bargraph stopped displaying RF output (ie no bars lit) despite > 100W > output measured on external power meter. > > Disconnected antenna and attached dummy load - same symptoms. > > Could I have somehow fried D16 & D17 in the KPA100? I checked these diodes > in-circuit with my multimeter "diode test" function and there is no voltage > drop across either. Does this mean they've both failed open? > > Is there anything else I should check/look for/measure before I dismantle > the KPA100 and replace D16 and 17? > > Any advice appreciated as always, > > 73, > John > VK7JB > > > > > -- > View this message in context: > http://elecraft.365791.n2.nabble.com/K2-100-Hi-Curr-and-loss-of-power-control-help-de-VK7JB-tp6485865p6485865.html > Sent from the Elecraft mailing list archive at Nabble.com. > ______________________________________________________________ > 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 > -- VK4FD - Motorhome Mobile Elecraft Equipment K3 #679, KPA-500 #018 Living the dream!!! ______________________________________________________________ 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
