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The red and green indicators are only lit when the fastrack switch internally 100% reaches the full endpoint and is closing the tiny microswitch.

So given your other topic of aux power input-, you may just not be giving enough voltage and the motor cannot push it over all the way, or it's also possible a mechanical problem inside the switch.

The black gear and lever has to swing fully each way and hit and stay at the microswitch for that side

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Correct, the indicator lights need AC for both green and red indications to show (I mean AC input power to the switch either via track or via aux power in). On DC power (either track power or aux input), depending on polarity, only 1 of the colored indicators will ever light (the switch can move to both directions- just again, only one indicator) and the switch lantern on the switch itself lights one polarity but not the other.

@GI-Joe posted:

Still don't understand why the green light doesn't stay on like all the rest?

But, that said, the problem report was again far more likely that this one switch was simply not able to move completely to the locked position and activate the green thru indicator light on the controller. It even flashed green momentarily, but would not stay indicating typically, the switch just did not lock into that position and thus may not be fully "switched". Again, when other switches on the same track plan all work, and this fault only happens on ONE switch (or just a few isolated ones) then there is something up at that switch.

In it's own way, this is an advantage of Fastrack switches, they are more complicated and with the internal switches and RSC/Lights output line- capable of showing true physical status of the switch for reporting (example LCS switch monitor). At the same time, a layer of complication that when/if it goes wrong, then you are mad at your fastrack switch.

Last edited by Vernon Barry

If the FasTrack switch is powered by a DC power supply, the switch functions normally, but only one indicator light works on the controller. I believe it depends on the polarity as to which of the two lights will work. So, check your power supply to see if it is AC.

I started my layout with a Lionel LionChief starter kit. As I purchased fastrack switches to expand the layout, I was using the DC power supply and had the same problem. Only one light would work. Fastrack switches need AC power for both to light up.

Gene

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