[Elecraft] KPA500 Will Not Start When Pushing the On Button

[Don Wilhelm]

Tom,

Open the top cover and check the interlock actuator.  If that was loose 
it may have become dislodged when you moved the amp.  See the KPA500 
assembly manual page 42.
"Look for the easy things first."

73,
Don W3FPR

On 2/17/2015 8:11 AM, Amateur Radio Operator N5GE wrote:
> This is a 240V Amp.
>
> When pushing the on button on my KPA500 the power will not come on.
>
> It worked very well until I moved it to another place on the OP Table.
> and connected it to K3 #1055 after having #1055 brought up to the
> latest version at Elecraft.
>
> I have checked the fuses and verified that the power cord is supplying
> the proper voltage to the amp internally and externally .
>
> What is the most likely cause of failure to get power to the amp?
>
>