[Elecraft] K3 Suddenly Putting Out Only 25 watts at 100 watts indicated

[Nr4c]

Ok. You’re right. Must have had my mind on something else. Read too many emails. 

Merry Christmas. Or you know, whatever?!! 

Sent from my iPhone
...nr4c. bill


> On Dec 12, 2018, at 9:11 PM, Peter Dougherty (W2IRT) <lists at w2irt.net> wrote:
> 
> This happened to me at the start of CQWW-SSB in October. My K3s is finally enroute back home after a 6 week stay in the Elecraft Repair Department with a blown FET in the HPA, cause unknown. And I know I've been told I'm not the only one to suffer this failure, and it sounds like this is now a known issue. 
> 
> Does anybody have an idea as to what could be causing these FETs to fail, or steps to consider to lessen the chances of it happening? I can't speak for anybody else, but I baby the heck out of my gear and was shocked to discover it failed, when feeding directly into a KPA-1500.
> 
> ----------------------------------------------------
> Regards,
> Peter Dougherty, W2IRT
> 
> -----Original Message-----
> From: elecraft-bounces at mailman.qth.net [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Wes Stewart
> Sent: Wednesday, December 12, 2018 4:55 PM
> To: elecraft at mailman.qth.net
> Subject: Re: [Elecraft] K3 Suddenly Putting Out Only 25 watts at 100 watts indicated
> 
> If you have another receiver, run a two-test and listen to the K3 output in a 
> narrow BW.  Ideally, the two tones will be considerably stronger than the first 
> pair of sidebands.
> 
> I suspect they won't be, you'll have a lot more than two and you have a blown 
> FET in the HPA.
> 
> Wes  N7WS
> 
> 
>> On 12/12/2018 12:47 PM, N4ZR wrote:
>> Transmitted on my K3 for the first time since the 10-meter contest, and it is 
>> only showing 25 watts out on the built-in meter into a dummy load. Power 
>> output setting of the K3 is 100W, and same results seen on all bands. What 
>> could possibly be going on here?  Back to Watsonville?
>> 
>> The cruel karma of it all is that *yesterday* I ordered a KPA-1500.
>> 
> 
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