[Elecraft] KPA500 Internal Clicking Sound

[James Bennett]

Yes, you will find in the archives that this is a "normal" occurrence with the KPA500 - it IS heat/cooling related and is nothing to worry about.
Jim Bennett / W6JHB
Folsom, CA

> On Oct 20, 2015, at 6:55 PM, Michael Cozzi <cozzicon at gmail.com> wrote:
> 
> 
>    I am experiencing the same issue. Amp works fine however. Seems to be heat related.
> 
>    Michael- KD8TUT
> 
> 
>> On 10/20/2015 9:41 PM, Rick Tavan N6XI wrote:
>> Once my KPA500 warms up, it begins making sporadic clicking sounds. Usually
>> it sounds like a relay but sometimes it's quieter and might be metal
>> buckling as it contracts and expands. Any suggestions on tracking it down?
>> 
>> Thanks,
>> 
>> /Rick
> 
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