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 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
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