MTHTrains RealTrax O-3

Questions and Answers

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Debbie CookAug 1, 2025
What to do if the MTH Trains Switch will not operate but the Switch Block Lantern is illuminated?
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  Lori KellyAug 1, 2025
  If your MTH Trains Switch isn't working but the light is on, try these steps: If using auxiliary power, make sure the jumper between the Track AC Out and Auxiliary AC Power In is removed. If using track power, check the connection. Also, ensure the operating voltage (track or auxiliary) is at least 10V. If your train is running at less than 10V, use auxiliary power for the switch.
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davissusanAug 8, 2025
How to fix MTH Trains Switch if it won't operate and the Switch Block Lantern is not illuminated?
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  hmartinezAug 8, 2025
  If your MTH Trains Switch isn't operating and the light is off, check the following: If using track power, ensure the jumper between the Track AC Out Screw terminal and the Auxiliary AC Power In Screw Terminal is installed. If using auxiliary power, check the connection to the power source.
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Mark MillerAug 16, 2025
Why MTHTrains RealTrax O-3 Switch Points do not align completely into either the 'straight' or 'curved' position?
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  Jason RuizAug 16, 2025
  If the switch points on your MTH Trains Switch aren't aligning correctly in either position, realign the Remote Switch spade connectors, ensuring they are perpendicular to the edge of the roadbed.
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Steven BrownAug 23, 2025
What to do if the Screw Terminal Cover of my MTHTrains RealTrax O-3 Switch will not fully attach to the roadbed (there is a gap)?
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  Christopher RodgersAug 23, 2025
  If the Screw Terminal Cover on your MTH Trains Switch isn't fully attaching to the roadbed and there's a gap, and you have multiple wires under the screw terminals, use female spade type connectors like those found on the ends of the Remote Switch wires.