[Elecraft] KPA 500: No Output

Hello-- I have a 3 yr old KPA500 that has just exhibited it's first problem. No amplification! I am remote controlling it via the remote client over the internet from 2000 miles away. Nothing has changed in the remote shack and no wiring has been disturbed. There is no output from the KPA on

[Elecraft] KPA500 No Output on 6m

Bought and assembled a KPA500 kit in 2018. No output on 6m!! I've used it on 10-80 and love the performance. Never checked six until I became interested in six this summer. Put up a 3 ele yagi and its good barefoot/good match but no output on six using the KPA... Any ideas? Here's a link to my

[Elecraft] KPA500 Remote Utility

I have been using the KPA500 remote utility for a couple of years with good success and suddenly unable to communicate with the KPA. I am using the microbit RRC system to operate my station remotely. I am not immediately suspecting those units and everything is working except the communication