160m failure tonight on a kpa1500

[Elecraft mailing list]

Well, some bad things have just happened tonight.
Most of the day spent on 80m was fine
Spent about an hour on 40m. Still fine
went down to 160m, apparently blew something (ldmos?)
Amp went a bit crazy, kept faulting, powered off then wouldn’t power back till cycled main power then had to do a force firmware load multiple times
Firmware doesn’t seem to be holding after power down even went back to 2.0

I was running 2.09 from 2.00. Everything was fine until 160 tonight

I use the same antenna on all bands 160 dipole fed with ladder line fed thru a 4:1 DX Eng balun.

Looks like it’s going to have to go back.  Only 5 months old.

Have to open a ticket Monday

Rich
n2ry




Sent from my iPad
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[Eric Swartz - WA6HHQ]

Hi Rich,

Ouch.  

I’m about to go to bed here right now. I’ll get back in touch with you tomorrow morning to debug this some more.

Feel free to email me via direct email any more info, if you have it, on the f/w load problem or actual fault messages you were seeing.

We will get this resolved for you asap.

Regards,
Eric
elecraft.com
---
Sent from my iPhone 6S

> On Mar 9, 2019, at 8:33 PM, Rich Yost via Elecraft <[hidden email]> wrote:
>
> Well, some bad things have just happened tonight.
> Most of the day spent on 80m was fine
> Spent about an hour on 40m. Still fine
> went down to 160m, apparently blew something (ldmos?)
> Amp went a bit crazy, kept faulting, powered off then wouldn’t power back till cycled main power then had to do a force firmware load multiple times
> Firmware doesn’t seem to be holding after power down even went back to 2.0
>
> I was running 2.09 from 2.00. Everything was fine until 160 tonight
>
> I use the same antenna on all bands 160 dipole fed with ladder line fed thru a 4:1 DX Eng balun.
>
> Looks like it’s going to have to go back.  Only 5 months old.
>
> Have to open a ticket Monday
>
> Rich
> n2ry
>
>
>
>
> Sent from my iPad
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html

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