jelmusic Posted March 7, 2015 Share Posted March 7, 2015 I have a Tornado Pullman DCC ready and bought a DCC decoder R8249, which I installed. Then I placed it on the track, and programmed it (with my Select controller) to run on number 02. It has only stop and full speed - I've tried setting both accel and decel at different values, and it always goes to full speed very quickly. The main problem it seems, is that it doesn't run slowly (when I turn the speed knob up only a bit), it's all or nothing. In analogue mode, this works fine. I have another DCC fitted loco, which works normally with this Select controller.Any help is greatly appreciated, thanks! Link to comment Share on other sites More sharing options...
Fishmanoz Posted March 7, 2015 Share Posted March 7, 2015 Hi jel, welcome to the forums. Have you tried setting them to a pretty high value like 50 or more to see if it makes a difference? And if that makes no difference, can you swap the decoders between your locos to see if the stop/ fast running goes with the decoder or stays with the Tornado. If it goes to the other loco, then your new decoder is probably faulty. Link to comment Share on other sites More sharing options...
jelmusic Posted March 7, 2015 Author Share Posted March 7, 2015 Thanks Fishmanoz, I'll try switching the decoders and see what happens. Cheers Link to comment Share on other sites More sharing options...
jelmusic Posted March 7, 2015 Author Share Posted March 7, 2015 I couldn't switch the decoder (different kind on the Belle, built in DCC), so I re-installed the dcc decoder that might or might not be working properly. Actually I think the accel/decell settings do work, but the main problem is the loco galways goes to full speed no matter how little I've turned the speed control dial clockwise. It's either on or off. Link to comment Share on other sites More sharing options...
96RAF Posted March 7, 2015 Share Posted March 7, 2015 I would have suggested disabling DC running in CV29 but I'm not sure if thats within scope of the Select. Link to comment Share on other sites More sharing options...
Rog RJ Posted March 7, 2015 Share Posted March 7, 2015 Try resetting the Select. It often cures strange faults. Link to comment Share on other sites More sharing options...
jelmusic Posted March 7, 2015 Author Share Posted March 7, 2015 Thanks all. I did try resetting the Select, and also read up on the CV29 (disabling DC), but yeah, can't access that in the Select. I will order another DCC decoder chip, try that first. Link to comment Share on other sites More sharing options...
poliss Posted March 7, 2015 Share Posted March 7, 2015 Three possibilities.1) There's something wrong with the circuit board on the Tornado.2) The pins on the decoder are extending through the socket and are touching the chassis.3) Most likely. The decoder is faulty. Link to comment Share on other sites More sharing options...
Graskie Posted March 7, 2015 Share Posted March 7, 2015 Unfortunately, yes, there is no possibility of reading or writing any CVs direct with the Select. If its a question of amending acceleration and deceleration CVs, you can't do it unless you have an Elite or eLink/Railmaster setup. And, as said, you cannot alter CV29 either. Link to comment Share on other sites More sharing options...
Fishmanoz Posted March 7, 2015 Share Posted March 7, 2015 Sorry Graskie, that's one of your hats used. Select can most certainly adjust accel and decel via its menu commands (not by directly writing to the CVs). I'm not silly enough to suggest he change them if it's not possible, not as a rule anyway. And jel, just to partially contradict what I just said to Graskie, my mistake suggesting swapping without realising the Belle has that little, different plug decoder in it. Remember if you find that a new decoder fixes it, you can have the old faulty one replaced under warranty. In fact, I'd start by taking it back and tell them it won't allow you to adjust speed beyond stop or flat out and they may well take it back and swap it immediately. Link to comment Share on other sites More sharing options...
jelmusic Posted March 8, 2015 Author Share Posted March 8, 2015 Thanks all for the helpful input. I did try pulling the connection a bit more out of the slots (just in case it was touching the body), also no change. I will get another decoder first as I am in Hong Kong, and had ordered direct from Hornby in the UK, then I will contact them if it is indeed faulty and go from there.The Tornado works fine on a DC circuit, accel/decel/speed all normal. Link to comment Share on other sites More sharing options...
Fishmanoz Posted March 8, 2015 Share Posted March 8, 2015 Contact HCC about warranty, it may take a few days for them to reply. Link to comment Share on other sites More sharing options...
poliss Posted March 8, 2015 Share Posted March 8, 2015 Also check that there are no whiskers of solder shorting out adjacent '*thingies' on the socket.(*Don't ya just hate it when you can't think of the proper word?) Link to comment Share on other sites More sharing options...
96RAF Posted March 8, 2015 Share Posted March 8, 2015 pads ??? Link to comment Share on other sites More sharing options...
Graskie Posted March 8, 2015 Share Posted March 8, 2015 Sorry Graskie, that's one of your hats used. Select can most certainly adjust accel and decel via its menu commands (not by directly writing to the CVs). I'm not silly enough to suggest he change them if it's not possible, not as a rule anyway. But I was right about not being able to read or write CVs directly from or to the Select, Fishy. Yes, I had slightly forgotten about being able to use a few basic menu commands, the same as on the Elite which, of course, can set much more. Even then, though, I believe the Select menu cannot read any of its few existing menu parameters. Because most of my post was correct, I will only slightly nibble around the edges of my hat, if that's all right with you. Link to comment Share on other sites More sharing options...
poliss Posted March 8, 2015 Share Posted March 8, 2015 No, not pads. The hole things and the bits underneath. (Has anyone seen my memory?) Link to comment Share on other sites More sharing options...
96RAF Posted March 8, 2015 Share Posted March 8, 2015 No, not pads. The hole things and the bits underneath. (Has anyone seen my memory?)The socket plate has holes for the decoder plug and the various loco wires are soldered to the copper 'pads' radiating around the socket holes. Link to comment Share on other sites More sharing options...
Recommended Posts
Archived
This topic is now archived and is closed to further replies.