If your K3 draws 5A on receive you need to contact Elecraft NOW. Sent from my iPhone ...nr4c. bill
> On Jul 25, 2017, at 11:01 AM, Colin <[email protected]> wrote: > > Mike, I am experiencing a similar thing. I had a session on FT8 a few days > ago and my K3 shut down completely, in fact it blew a 20A fuse on my > alternate 20A PSU but just shuts down on my 40A supply. > > One thing I notice is that it appears to be drawing nearly 5 Amps on receive > which is excessive and one occasion while I was testing actually shut down on > receive. > > It isn't the DC lead as I have replaced that with a factory supplied item. > > I'm still working on it but unless the experts in this group have any ideas I > will attempt to re-invent the wheel. > > 73 > > Colin, G3PSM > >> On 23/07/2017 03:17, Michael Walker wrote: >> Hi Buddy >> >> I can thing of 2 things. Overheating .. not likely since usually the RF >> section shut downs. >> >> RF getting into the power supply. Grounding might not make a difference. >> RF Chokes on the power supply DC cord might help. >> >> Oh, the 3rd thing, Is your power supply up to the task? Might it be >> failing? Throw a volt meter on it. >> >> Mike va3mw >> >> >>> On Sat, Jul 22, 2017 at 9:28 PM, buddy s <[email protected]> wrote: >>> >>> i am using wsjt-x software for jt65 using my k3. after operating for >>> approximately 2 hours today, i answered a cq, and after 30 seconds the k3 >>> shut down completely. i waited a few minutes and changed antennas. the k3 >>> powered up, and i tried again. same result, shutdown after 30 seconds of >>> transmitting. my power is set to 30 watts, and i am using a kat500 with >>> both antennas. ______________________________________________________________ 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]

