There is a step by step procedure in K3 Utility Help, Troubleshooting, MCU Load Failure.
Dick, K6KR On Jun 16, 2013, at 9:14 PM, [email protected] wrote: > > > Tried to update the K3 firmware to 4.67. First, I updated the K3 Utility to > the latest version 1.13.5.9. The moment I hit Send All New Firm ware to K3, > the K3 went to unresponsive state with MCU LD on the LCD and the TX LED > flashing. > > This happened before. That time I was able to snap it from this state by > holding POWER button while powering the rig. This time, however, this did not > help. The K3 Utility cannot connect to to the rig and just keep trying with > different bod rates unsuccessfully. > I do have P3 as well. I know the drill, I disconnected P3 and connected K3 > directly, but it did not help as well. I am sure somebody run into this > problem before. Please, help! > > My K3 S/N is 4653 > > Last time when this happened, I was using dedicated RS232 port, this time I > use USB/Serial adapter with FTDI chip and different computer. I don't know if > this can be a problem. > > > > Thanks, > > > > Igor, N1YX > ______________________________________________________________ > 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 ______________________________________________________________ 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
