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Reply to "Dead LCT 390E"

Yes there has to be life of some sort.  Some time the processor get scramble and all features would be off (lights and sounds) which might make you think it is dead, but smoke could be turned on, couplers fired and such.  So a feature or factory reset would turn all that on.  I see it most often on 5V boards when battery dead.  Engine sits dark and quite.  I have not seen that on PS-3.  So the head light should come on, or the engine should have loaded into DCS.  Factory reset is not going to fix those items despite it getting recommended by some.  Nother urban myth.

This is the case when you have an amp meter like on  a Z-4000 you can see if the board is drawing current but staying none responsive.  That lets you know the board is getting power.

If you are comfortable removing the shell, getting the connectors off the board carefully you could send just the board for testing.  G

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