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Heljen 26 Diesel and Light problem

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  • Member since
    March 2023
  • 1 posts
Heljen 26 Diesel and Light problem
Posted by Clive Luke on Monday, March 20, 2023 11:14 AM

Hi,

 

I am new and Hello to all.

 

I am useless in the use of Power Cab V1.65

It serves a purpose to run 9 GWR Steam trains.

But I needed a Engine that can clean the tracks well by having the grunt that my Hornby Engines do not have.

Ok I got a Heljen Diesel Model 26 to haul the track cleaner.

But one fault.

It goes forward and the rear light comes on. Go back and the front light comes on.

So the Lights work opposite to the direction.

And I can not find the answer. Being slightly of age and useless in computer skills.

Any help would be appreciated.

  • Member since
    March 2011
  • 1,950 posts
Posted by NVSRR on Monday, March 20, 2023 4:44 PM

Which lights go on and off?  British locos have rear marker lights the  on the models come on.  The headlights and on some models the head codes comes on in foward with markers on the rear.   Is it that your markers on coming on but not the headlights?.  maybe the headlights need to be turned on. 

 

SHane

A pessimist sees a dark tunnel

An optimist sees the light at the end of the tunnel

A realist sees a frieght train

An engineer sees three idiots standing on the tracks stairing blankly in space

  • Member since
    December 2015
  • From: Shenandoah Valley
  • 9,094 posts
Posted by BigDaddy on Monday, March 20, 2023 5:46 PM

Clive Luke

First of all welcome to the forum.  Your posts are delayed in moderation for 5-10 posts or in my case, for life. Big Smile

The above link is for OO scale but it also comes in O scale.  Scale should be irrelevant.

If the wires from decoder to motor are hooked up backwards, this will happen. 

Internet "Science" will tell you that changing CV 29 will correct this or not, it will just make the problem exactly the opposite.  I have never experimented to find out.  I suspect the later is correct.

CV29 is a multifunction CV controlling speed, DC capability, long or short address and direction of travel.  There is a calculator https://www.digitrax.com/support/cv/calculators/

It's quick and easy I would try it.  If that fails I would switch the motor leads on the decoder.

 

Henry

COB Potomac & Northern

Shenandoah Valley

  • Member since
    December 2015
  • From: Shenandoah Valley
  • 9,094 posts
Posted by BigDaddy on Monday, March 20, 2023 5:47 PM

DCC is not easy, obvious or intuitive.  A beginner DCC book from Kalmbach would not be wasted money.

 

Henry

COB Potomac & Northern

Shenandoah Valley

Moderator
  • Member since
    June 2003
  • From: Northeast OH
  • 17,237 posts
Posted by tstage on Monday, March 20, 2023 8:14 PM

Hi Clive,

Do you know how to access programming track mode on your Power Cab?  If so, read the value for CV29.  If you don't, do the follow to access and read CVs from your Power Cab:

  1. Press PROG button 4x
  2. Press ENTER
  3. Press "2" (for CVs)
  4. Enter "29"
  5. Press ENTER
  6. Read the value for the CV

Tom

https://tstage9.wixsite.com/nyc-modeling

Time...It marches on...without ever turning around to see if anyone is even keeping in step.

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