DZ 1000 non-derailing

darlanderOGR Forum Member SUPPORTING MEMBER

I have two DZ 1000 switch machines wired for non-derailing. They have been working perfectly for the past five years. Today, the switches work fine with the push button selectors, but the non-derailing feature is suddenly not working. I am perplexed!!! The switch machines are powered independently form the track using an AC transformer - about 12-15 volts to the switch machines. The diodes on the switch machines and selectors are in sync. I assume I have a disconnected or bad connection somewhere under the table. Any suggestions on how to trouble shoot would be greatly appreciated. Dave

The switch on the bridge and the left hand switch on the lower level are the culprits..

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3/18/1910:39 PM

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