Hi Ed, The manual indicates that the LED will come on if an unrecognized command is issued by the controler chip. Did the modification change anything on the connector J3?
In off-chance, disconnect the two PCBs, clean the connectors and re-assemble? Just some off-the cuff thoughts. Duane N1BBR -- bw...@fastmail.net ______________________________________________________________ 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