Comments on: Getting Atlas Switch Tracks to Operate Properly https://blog.model-train-help.com/2019/03/getting-atlas-switch-tracks-operate-properly.html?utm_source=rss&utm_medium=rss&utm_campaign=getting-atlas-switch-tracks-operate-properly Model railroads and model trains Wed, 06 Mar 2019 02:17:42 +0000 hourly 1 https://wordpress.org/?v=6.9.4 By: Frank B https://blog.model-train-help.com/2019/03/getting-atlas-switch-tracks-operate-properly.html#comment-28150 Wed, 06 Mar 2019 02:17:42 +0000 http://blog.model-train-help.com/?p=5129#comment-28150 A standard turnout motor has two coils, one to push the operating rod in each direction.
Most will work normally on either AC or DC.

The turnout switch supplies only a brief pulse of current to one coil to move it, so the switch is not to be held on.

The buzzing suggests you are using AC, and the current is not being cut off. This can burn out the coil.

Attached is a normal circuit for a turnout motor. Is this how yours are wired up ?

]]> By: ROBERT SCHWORM https://blog.model-train-help.com/2019/03/getting-atlas-switch-tracks-operate-properly.html#comment-28146 Wed, 06 Mar 2019 01:13:31 +0000 http://blog.model-train-help.com/?p=5129#comment-28146 In reply to Dale Arends.

Yes, if this is a tortoise, and if you are wired to the 2 internal relays, drop off those lines and test again. If the problem clears, put one pair back on to isolate it done and then check the lines on the offender.
bob

]]> By: Dale Arends https://blog.model-train-help.com/2019/03/getting-atlas-switch-tracks-operate-properly.html#comment-28143 Wed, 06 Mar 2019 00:44:10 +0000 http://blog.model-train-help.com/?p=5129#comment-28143 It sounds like you may have a feeder and common (return) line reversed. The switch machines take a common (-) and two power (+) feeds. If you have a feeder and the common reversed, it will often work on one side but the other side internally shorts. Since you say it’s all 8, my guess is that the problem is in the bus connections.

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