[prev in list] [next in list] [prev in thread] [next in thread] 

List:       elecraft
Subject:    Re: [Elecraft] Erratic KPA-1500 behavior
From:       AJ8MH Radio <aj8mh-radio () charter ! net>
Date:       2024-03-27 15:37:19
Message-ID: c8bb3efa-fe3c-4100-aa3c-dc69798a8d6c () charter ! net
[Download RAW message or body]

I see some reports of K3 overshoot when changing bands or adjusting 
drive.  That would cause excessive drive.  Performing the re-calibration 
procedure may correct the problem.

On 3/27/2024 10:18 AM, Pete Smith N4ZR wrote:

> This morning, starting the CWT,  every few transmissions my amp was 
> faulting with the indication of excessive driving power (~67 watts vs 
> 33 watts normally).  Each time, it would fault once, then operate 
> normally for a dozen or so transmissions before the next fault. Then, 
> about 10 minutes into the hour, the faults stopped happening.  The K-3 
> showed 33 watts throughout
>
> I checked the KPA-1500 log, and all it shows is the "power input" 
> fault.  What could be causing this erroneous indication of excessive 
> drive?  A sticky relay?
>
-- 
Joe Hutchens
AJ8MH - Radio
Marquette, MI

______________________________________________________________
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to elecraft@progressive-comp.com 
[prev in list] [next in list] [prev in thread] [next in thread]