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Old 12-11-2016, 01:34 PM   #1
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switch issue

I have some locomotives that stop after going over some switches. Of interest is one loco that runs perfect by itself, but when I add one lighted car, it stops for several seconds on some switches. Anyone know what is going on, and can it be fixed. Thanks

This is on our club Digitrax layout
I believe we use peco switches

Last edited by ibm650 : 12-11-2016 at 01:44 PM.
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Old 12-11-2016, 03:24 PM   #2
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look at the second reply http://cs.trains.com/mrr/f/88/p/101286/1177882.aspx
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Old 12-15-2016, 04:24 AM   #3
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Did you ever get the problem corrected. Please post your results it may help others.
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Old 12-16-2016, 07:17 PM   #4
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The problem is the Peco insulfrog, known issue with DCC and shorts. Started issue at club, they have 200 and do not want to fix, all I want is to fix the 10 on the mainline.
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Old 12-17-2016, 07:34 AM   #5
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The short is probably being caused at the frog. If you look closely at the frog you will see a very small area where the rails of opposite polarity come together and they look very close together. They are and some wheels on locos and cars bridge these two rails and cause a momentary short that will stop your train and any other trains running in thst same power district. My club has the same problem on our HO layout as well as me on my N home layout. A simple fix is to paint on a little more insulation using nail polish to extend the insulated area maybe 1/8" back. Apply one coat, let it dry throughly, then apply another coat and let it dry throughly too. Depending on how often you clean your track you will have to the reapply the polish and it does wear off from running your trains. Use Laquere based polish as it is tougher than enamel paint.
I had a problem with this situation when I was using DC control and trains would sometimes stumble going over the Atlas or Peco switches. Switching to DCC made the problem worse with a short circuit occuring there. Nail polish works well and one bottle will (should) last forever.

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Old 07-11-2018, 07:52 PM   #6
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The club has now acknowledged the issue and it replacing all 200 switches. thanks for the help
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