[Elecraft] how does the fan work in the KPA100

[David Wilburn]

I have only had the fan come on when I was CQ'ing, or 'running' during
field day / contest.  Otherwise I don't hear much from it.  But then
again, my hearing is not what it once was.  I have not yet run any data
modes.
-  

David Wilburn
k4dgw at k4dgw.com
K4DGW
K2 S/N 5982


On Wed, 2007-11-28 at 21:41 +0100, Dr. Werner Furlan wrote:
> here I am again with my next question. 
> 
> I don't understand how the fan should work in my KPA100.
> I have set the fan to normal in the K2 PA menue. 
> Like this it is off when I switch the amplifier on. 
> It goes to fast when I operate for a certain time with high power and the 
> heatsink gets hot.
> But I did not see a low speed operation of the fan in this mode.
> 
> When I switch to low/high, it always runs at low speed and probably switches 
> to high when necessary.
> 
> Is it correct that there is only one temperature trigger point?
> >From reading the bias setting part of the manual, I thought the fan should 
> run at low speed also when I switch the PA into high power mode.
> 
> Is it correct how it works here?
> 
> 
> 73! de Werner OE9FWV
>