- what does jmri write to these cvs?

- what is read back on the programming track?

That would rule out another type of error.”

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JMRI _should_ be writing that which is displayed on the screen when whatever command to write to the decoders is executed.? Hopefully it is either “Write all . . . “.

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Reading back the values of the CVs _after_ the “Write .? . “ to the decoder would be a good idea, but I suspect the OP has done the equivalent by using the compare process on the CV’s tab.

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Anything that sheds further light on what is occurring is a good idea.

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Best regards,

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Steve

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Steve Haas

Snoqualmie, WA