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NCE power cab LED won't turn on

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  • Member since
    February 2008
  • 2,360 posts
NCE power cab LED won't turn on
Posted by kasskaboose on Monday, July 3, 2017 10:22 PM

Any ideas why/ how the NCE power cab LED won't turn on?  I am using the flat 7' cord and have it plugged into the left side of the panel.  The LED on the cab blinks on and off before it stops so I can change settings, etc.  Locos won't respond because they aren't getting information. 

This is quite annoying.  I tried looking online and watching videos, but was supposed to take 10 min, is over an hour of frustration.

Thanks for your help.

  • Member since
    October 2006
  • From: Western, MA
  • 8,571 posts
Posted by richg1998 on Monday, July 3, 2017 10:41 PM

The LED indicates power is going to the tracks.

Been a few years since I used mine but the only time it went out is whith a short but the Cab shut down also.

Does the LED stay on with no loco on the track?

Does this happen with another loco?

Not sure what you mean in the below?

The LED on the cab blinks on and off before it stops so I can change settings, etc

Rich

If you ever fall over in public, pick yourself up and say “sorry it’s been a while since I inhabited a body.” And just walk away.

  • Member since
    February 2008
  • 2,360 posts
Posted by kasskaboose on Monday, July 3, 2017 10:53 PM

The LED doesn't stay on even with no locos on the tracks.  The display on the power cab flicks on and off.  That flickering stops once I press the 'select loco' button.

Any ideas on what to do?  Do I have a short or is the system faulty?

  • Member since
    October 2006
  • From: Western, MA
  • 8,571 posts
Posted by richg1998 on Monday, July 3, 2017 11:03 PM

The output connector on my Power Cab shows two terminals with tiny screws to secure the buss wire. With the LED on, I measure 13.6 vac on those two terminals.

Rich

If you ever fall over in public, pick yourself up and say “sorry it’s been a while since I inhabited a body.” And just walk away.

  • Member since
    October 2006
  • From: Western, MA
  • 8,571 posts
Posted by richg1998 on Monday, July 3, 2017 11:09 PM

kasskaboose

The LED doesn't stay on even with no locos on the tracks.  The display on the power cab flicks on and off.  That flickering stops once I press the 'select loco' button.

Any ideas on what to do?  Do I have a short or is the system faulty?

 

Ifr you had a short, the Cab should stay off. At least with mine, it did.

I just powered up my Cab and the LED stayed on, even when I select a loco.

You might have a bum system though I have not heard of an issue like this with the Power Cab.

Does the Cab display go out also when the LED goes out? I traced the circuit on my panel. A 1k resistor and LED are across the two DCC output leads.

Should not make any difference. I have the latest eprom upgrade.

I registered my Cab some years ago. When the background lighting failed about a year later, NCE repaired it for free.

Rich

If you ever fall over in public, pick yourself up and say “sorry it’s been a while since I inhabited a body.” And just walk away.

  • Member since
    July 2009
  • From: lavale, md
  • 4,678 posts
Posted by gregc on Tuesday, July 4, 2017 5:08 AM

richg1998
Ifr you had a short, the Cab should stay off. At least with mine, it did.

after a few seconds, it wil reapply power and cycle.

if it's a short, unplug the track connection and see what happens.

greg - Philadelphia & Reading / Reading

  • Member since
    July 2006
  • From: Central Vermont
  • 4,565 posts
Posted by cowman on Tuesday, July 4, 2017 9:13 PM

Call or email NCE, I did and was very pleased with the service.

Good luck,

Richard

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