All of a sudden I lost power to all the track switches. The track lock-on's light and i can run trains. The breakers on the 4000 are not tripped.
Ideas? and thanks!
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Bob-
It sounds like your switches are powered by a separate fixed voltage source; check to see if that source is plugged in and/or not tripped. Also check for a loose or broken wire, possibly near the transformer's binding post.
Some users use the inner dials on a ZW for fixed voltage; if you are using a ZW check to see the dial is set to the correct voltage.
-John
I use one of the variable controls as accessory power, and by mistake, have turned it off, thinking I was turning the one controlling the train--on more than one occasion. That would be where I would look first.
Gentlemen-
Thanks for the response! As the topic states, this is an ID10T error.
This layout has been in operation for over 20 years and this was a 1st. Did you know there are circuit breakers on BOTH sides of a Z-4000? 
All is back to normal and again thanks!
