[Elecraft] K3 loss of power (KPA3 100W)

[Mike Harris]

KPA3 circuit breaker?

Regards,

Mike VP8NO

On 11/09/2021 10:13, David Sumner wrote:
> Lee, it may not be that bad. Check Config to make sure KPA3 shows “PA nor” — there are other causes of your symptom as well that others may be able to comment on. 73, Dave K1ZZ
> 
> Sent from my iPhone
> 
>> On Sep 11, 2021, at 8:35 AM, Lee <troutcm at gmail.com> wrote:
>>
>> If I had to guess, I would say the finals are blown in my KPA3.
>>
>> If I advance the power knob, output is normal up to 12 watts.  As soon as
>> the power is advanced to 13 watts, the power drops to near 0, perhaps 1/4
>> watt.
>>
>> Any help on troubleshooting?
>>
>> Assuming the finals are blown, is it possible to just return the KPA3 to
>> Elecraft for repair, rather than the K3 itself?
>>
>> Thanks for any help!  Lee