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Power Cab encoder speed control problem

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  • Member since
    January 2011
  • 137 posts
Power Cab encoder speed control problem
Posted by engineAL on Sunday, July 20, 2014 4:21 PM

Hello, it has been a while since I last posted here. I have been experencing issues with my Power Cab speed encoder, specifically that it seems "loose". If I turn it normally, it does nothing, but it turns very easily. If I apply pressure to the right (towards the encoder) while I am turning it, it seems to "catch" and will adjust the speed as normal. This started happening after I installed an updated EEPROM.

I don't know how it can be adjusted, does anyone have any experience with this?

Tags: NCE , PowerCab

Modeling the Maine Central in N scale.

  • Member since
    October 2006
  • From: Western, MA
  • 8,571 posts
Posted by richg1998 on Sunday, July 20, 2014 8:06 PM

Open up the cab and do a visual.

Make sure all the IC pins are firmly in their own socket.

Also, put the old IC back in and see what happens.

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
    January 2011
  • 137 posts
Posted by engineAL on Sunday, July 20, 2014 8:55 PM

I've checked inside mutiple times, and the IC is properly seated. I'm pretty sure that the problem is with the encoder, given that pressure on the encoder wheel will make it work. It probally became "loose" when I openened the case.

Modeling the Maine Central in N scale.

  • Member since
    July 2003
  • From: Sierra Vista, Arizona
  • 13,757 posts
Posted by cacole on Sunday, July 20, 2014 9:31 PM

I think you need to address this problem to NCE and see what they recommend.  I've had numerous NCE ProCab Radio throttles opened up for various reasons and have never had a problem like yours.  I also have two PowerCabs but have never opened one up.

  • Member since
    October 2006
  • From: Western, MA
  • 8,571 posts
Posted by richg1998 on Sunday, July 20, 2014 10:13 PM

If you registered your set when you purchased it, NCE "might" repair it for free.

When the backlight on the display for my Cab failed, NCE repaired it for free. Only cost for me was shipping it to NCE.

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 2002
  • From: Reading, PA
  • 30,002 posts
Posted by rrinker on Monday, July 21, 2014 8:17 AM

You probably dislodged something mechanical while taking it apart or putting in the new chip. Could be that it simply is running in the wrong set of holes so it no longer contacts the rest of the assembly. Look for cracked or broken off pieces of palstic, if anything like that is evident, it will have to go in for repair. If it's just a piece not snapped under a catch or something, should be an easy fix.

                        --Randy


Modeling the Reading Railroad in the 1950's

 

Visit my web site at www.readingeastpenn.com for construction updates, DCC Info, and more.

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