[Elecraft] K3 is not responding

[Dick Dievendorff]

I'd recommend trying an RS-233 port, if at all possible, or can you try
another USB to Serial adapter?  

I have a catchall "troubleshooting USB to Serial Adapter" section in K3
Utility Help that covers almost everything I've ever heard.

USB to serial adapters do fail sometimes, as do USB ports, and not all
failing devices announce themselves as inoperative.

If you have more than one USB hub on your computer, try a different one.
Look to the Windows Device Manager for the COM port assignment as it will
very likely be different if you move the KUSB from hub to hub.

Dick, K6KR
  

-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Tim
Sent: Saturday, April 11, 2009 8:34 PM
To: Elecraft Reflector
Subject: [Elecraft] K3 is not responding

Without warning and having made no changes my K3-10, using utility 1.2.16,
MCU 2.78 and DSP 1.98, is now giving me "K3 is not responding".  I'm using
the USB/SERIAL adapter from Elecraft.  The USB ports are working on the
computer.  Any ideas of what I can check?  Thanks.

Tim K5OI
K3 #430.
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