On 3 May 2016 at 13:37, Gene Heskett <ghesk...@wdtv.com> wrote: >> And does the "fail to turn off" problem description include not >> turning off ever again, even when removed from the circuit and from >> all power? > > Generally yes, its an avalanche mode failure that shorts the switching > junction.
I am not 100% clear on the source of this dv/dt. Is it simply the result of turning on the main contactor, with the SSR turned off, when the mains supply is in a high part of the sine wave? -- atp "A motorcycle is a bicycle with a pandemonium attachment and is designed for the especial use of mechanical geniuses, daredevils and lunatics." — George Fitch, Atlanta Constitution Newspaper, 1916 ------------------------------------------------------------------------------ Find and fix application performance issues faster with Applications Manager Applications Manager provides deep performance insights into multiple tiers of your business applications. It resolves application problems quickly and reduces your MTTR. Get your free trial! https://ad.doubleclick.net/ddm/clk/302982198;130105516;z _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users