[Elecraft] ATU1 Help!

[Phil Wheeler]

Timothy Gordish wrote:

> After enjoying my K1 for about a year, I decided to add the ATU1 so 
> that I can more easily use it in the field with a random wire 
> antenna.   I just finished it tonight and it seemed simple enough to 
> build.  But of course it has those nasty toroids which I never seem to 
> have any luck with.  Well it went through all the checks just fine, 
> but when I finally tried to tune up the dumby load it didn't work.  
> The relays clicked and chattered but the SWR remained at 9.9 and when 
> the chattering stopped I got a reading of P L o.  Doesn't make much 
> sense to me since the rig seems to be transmitting just fine according 
> to my wattmeter.
>

Possibilities:

o Missed one of the sockets when plugging into filter board.

o Did not remove jumper from pins on the 10-pin jack

o Did not lift the resistor on RF board

o Faulty Dummy load

o PIC on KAT1 in backwards

Not that I can say any of these are "likely", just possible.

73, Phil