[Elecraft] KPA500 fans

[Nr4c]

I suspect they need to be switched into the circuit, done with the logic when the amp is turned Off. 

Sent from my iPhone
...nr4c. bill


> On Feb 1, 2017, at 8:55 PM, <john at kk9a.com> <john at kk9a.com> wrote:
> 
> If the fans are running on the capacitor charge when the amp is turned off,
> wouldn't they still run if you pulled the plug?
> 
> John KK9A
> 
> 
> 
> Don Wilhelm wrote:
> 
> John,
> 
> Because after power off, the fans are powered by the charge in the 
> KPA500 capacitors discharging, I do not think that is a requirement - 
> but not a bad idea in any case.
> 
> 73,
> Don W3FPR
> 
>> On 2/1/2017 7:53 PM, John Marvin wrote:
>> I know this thread is supposed to be closed now, and hopefully this
>> would be obvious, but you should also wait for the fans to stop before
>> "pulling the plug". You should always turn the KPA500 off with the
>> switch (or the KPA utility) first, wait for the fans to stop, then you
>> can use the back switch or a power cord switch.
> 
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