I think it may actually be the other way around... The 60V relay does not close if 270V is missing?
-----Original Message----- From: [email protected] <[email protected]> On Behalf Of Andy Durbin Sent: Sunday, July 17, 2022 6:49 PM To: [email protected] Subject: [Elecraft] KPA500 / 270V ERR HV and 270V are separate power supply rails but, if my read of the schematic is correct, 270 V depends on 60 V being present. 60 V requires the interlock switch to be closed. Diagnosing this may require having the top off and the interlock defeated. Everyone should evaluate their own competence and risk tolerance. Andy, k3wyc ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]

