I had the same problem about a year ago. It's a problem with the output PIN diode switch. There will be a burned toroid in the output switch circuit. I sent mine back for repair. It's been working fine since.Good luck,Glenn WB5TUF -------- Original message --------From: Rajiv Dewan <rmde...@gmail.com> Date: 7/16/23 08:45 (GMT-06:00) To: elecraft@mailman.qth.net Subject: [Elecraft] KPA500 PA DISS fault Hello, My KPA500 developed a PA DISS fault right the start of the VHF contest operating FT8 on 6m. It is:* showing this message on all bands. The antenna is fine. (1.2 SWR)* same fault even when feeding a good dummy load* I smelt acrid smoke :(What do you think I should check or do?Thanks for any tips,Best,Raj N2RD-- --Rajiv Dewan, N2RD______________________________________________________________Elecraft mailing listHome: http://mailman.qth.net/mailman/listinfo/elecraftHelp: http://mailman.qth.net/mmfaq.htmPost: mailto:elecr...@mailman.qth.netThis list hosted by: http://www.qsl.netPlease help support this email list: http://www.qsl.net/donate.htmlMessage delivered to wb5...@comcast.net ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net
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