[Elecraft] KPA500 Dead

[hawley, charles j jr]

There’re a couple things in series with the transformer primaries that look like thermistors. Wonder about them. They’re labeled T and SL 1, and SL 2.

Chuck Jack Hawley 
KE9UW

Sent from my iPhone, cjack 

> On Jun 5, 2020, at 12:08 PM, Nr4c <nr4c at widomaker.com> wrote:
> 
> Fuses!
> 
> 400 Watts “for quite a long time”?  Bet the fans were happy. 
> 
> Sent from my iPhone
> ...nr4c. bill
> 
> 
>> On Jun 5, 2020, at 12:07 PM, Tom Berry <tberry1 at triad.rr.com> wrote:
>> 
>> I was operating on FT8  20 meters for quite a long time with my KPA500 running about 400 watts and heard a few pops (like something arching).  Heard it a few more times then the amp went off.
>> 
>> Now it will not power on.  No lights, nothing.  I checked the fuse and it is OK.
>> 
>> Can you tell me where to start looking?
>> 
>> 
>> Thanks
>> 
>> Tom AAA4VV
>> 
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