I finally found out the answer. In checking the AuxBus cables, I found a cable connecting the K3 Key Out to the KPA500 PA Key. Removing this cable made the fault go away. Perhaps I had followed the Figure 3 on page 23 of the KPA500 manual at some point. Anyway there is a lot of cabling back there.
73, Dave w0ru -- View this message in context: http://elecraft.365791.n2.nabble.com/KAT500-Fault-tp7608563p7608648.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:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com