This is a well known symptom of a loss of the virtual serial port - Windows is turning off power to the USB port feeding the K3S (or the K3S is being turned off before the computer). It can also occur if common mode RFI results in a high RF voltage on either the USB port in the computer or the USB UART/bridge in the K3S.
If the lockup occurs when one transmits - particularly on only one or two bands - look for common mode RFI (see K9YC's tutorials). If the lockup occurs when the the computer sleeps, the K3S is turned off, or after random periods of inactivity, disable the Windows "Power saving Settings" - particularly "USB Selective Suspend" - in the Windows Control Panel so Windows will not disable the USB ports and cause the virtual serial port to "go away" unexpectedly. 73, ... Joe, W4TV On 9/11/2016 4:30 PM, Jerry wrote:
I have been successfully using DxLab as my logging/control program for my K3S for a few months now. About 2 weeks ago and again yesterday the Commander module locks up. If I am not attentive it ends up logging contacts on the 'locked up' freq and mode. I am using a new HP computer in the shack with Windows 10 connecting to the K3S with the USB port. The applications manager is unable to force Commander down. The only choice I have is to close everything else n then manually turn off the computer. When it reboots all is good. I have started to shut down Commander when I shut off the K3S - the computer runs 24/7 as there are scripts running for auto backup to my NAS. My issue sounds somewhat familiar to a recent post here. Any suggestions where to start? Life is short Ride hard ______________________________________________________________ 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 Message delivered to [email protected]
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