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Decoder Debacle

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As with all my modelling projects, I like to record the details for future reference. Below is a documented history of fitting ESU Loksound decoders (supplied by Roads & Rails) to my Heljan Class 47 models, and the problems encountered. If anyone could shed some light on the issues experienced, please use the 'contact' button at the bottom of this page.

 

Roads & Rails (7th June 2025). Loksound 5 Decoder For Bachmann, Heljan Or Vitrains Class 47/0 × 1 Recommended / 8 pin / Recommended. Would you like us to connect the speaker for you?: No, I'll solder it myself. Add a stay alive?: No. £124.99. Five 15 x 11mm ESU 'Sugarcube' Speaker Kits (8 ohm) × 1. £3.99 Subtotal £128.98. Order #34650.

 

Roads & Rails (9th June 2025). Thank you for your purchase! We're getting your order ready to be shipped. We will notify you when it has been sent.

 

Kier Hardy (11th June 2025). Decoder and speakers arrived safely Tuesday morning thank you. Unfortunately the chip is a 21 pin, and I ordered a 8 pin (for a Heljan Class 47). Please can you advise details for return of 21 pin chip and exchanging for 8 pin, returns label and address to send to. I look forward to hearing from you.

 

Roads & Rails (11th June 2025). Sorry about that, I’ve not sold an 8 pin 47 for ages so didn’t notice, I’ll get one ready now. Send the 21 pin to ###, Leeds, West Yorkshire. I’ll refund £10 to cover your time as well as postage. Don’t send it special delivery, tracked 48 or second class signed for is fine.

 

Roads & Rails (13th June 2025). Your parcel from Roads And Rails is due to be delivered today.

 

Roads & Rails (13th June 2025). You have received a refund. Total amount refunded: £10.00 GBP.

 

Kier Hardy (19th June 2025). I've just got around to fitting the 8 pin decoder to my Heljan Class 47, but there's no sound functions. It goes forward and backwards really well. Is there anything I'm missing here? Any suggestions would be welcome.

 

Roads & Rails (19th June 2025). Have you turned the sound on with F1? If not I’d guess you’ve shorted out the amplifier on the decoder and blown it, which is the most common reason for the sound not working on a decoder.

 

Kier Hardy (19th June 2025). Straight out of the box, plugged it in the same way as the old 8-pin basic decoder (noting the colour of the wires). F1 turned on but to no sound, or any other sound functions either. Runs forward and backwards okay. If you can't suggest any further action, I'll send it back to you for repair / replacement.

 

Roads & Rails (19th June 2025). As long as it’s not damaged I’ll replace it, if it’s been damaged though, you’d have to sort it out yourself. Often if the amplifier is damaged part of the heat shrink is melted, so as long as it’s not then there’s nothing to worry about. How did you position the speaker, and what did you use to insulate the speaker contacts?

 

Kier Hardy (19th June 2025). I'm quite familiar with electronics, so am aware if the speaker contacts are shorted it may cause a problem. The speaker has been mounted on a plasticard bridge as shown in the image below. No obvious signs of decoder damage, but it's no use to me as it is. I'll send it back to you for evaluation. Another £5.40 (now -£0.80 out of pocket).

 

Roads & Rails (19th June 2025). I can’t see any problems with the install, other than maybe one of the speaker wires looking like its been trapped, that could be a factor if its punctured the insulation, but anyway send it back and if that’s all it is I’ll sort it. I’ve already made a mistake with your order, it would be unfair if I didn’t allow you one. They all get tested before sending, so the replacement will definitely be a working decoder. I’d recommend using a better speaker than a sugarcube in something as big as a 47.

 

Roads & Rails (21st June 2025). Your parcel from Roads And Rails is due to be delivered today.

 

Kier Hardy (21st June 2025). The non-working decoder has been sent back to you - tracking number KL###GB - I would be most interested to know your findings. The installation was carried out in a protected environment, but I appreciate there are some 'modellers' out there that may not be aware of the implications - I know one or two myself! The wires hadn't been trapped or shorted. Incidentally, this video (link) made me cringe watching the speaker sliding around on top of the diecast motor enclosure! Re your comment on the speaker and recommending a bigger one than the sugarcube supplied (and pre-soldered to the decoder). The sound quality seems pretty good to me as it is, but I'd welcome any suggestions you may have, and what to do with the larger square speaker also supplied. Thank you for the replacement decoder which arrived Saturday morning. It was fitted and the model has been evaluated this weekend. All is well and I'm very pleased with it, so much so that I'm going to put an order in for some more decoders from you.

 

Roads & Rails (23rd June 2025). Thanks, I never really know what people have done with decoders but nearly every decoder than comes back with sound not working has a big hole in the heat shrink and when you ask some questions it usually turns out they didn’t know they had to insulate the speaker and they just burn out the amplifier, but you obviously know a bit more than most. The 25x25x7 speaker can be used instead of the sugarcube and would fit where you had put the sugarcube, and should be quite a big improvement in sound.

 

Roads & Rails (23rd June 2025). Thank you for your purchase! Loksound 5 Decoder For Bachmann, Heljan Or Vitrains Class 47/0 × 3. Recommended / 8 pin / Recommended. Would you like us to connect the speaker for you?: No, I'll solder it myself. Add a stay alive?: No. £374.97. Loksound 5 Decoder For Class 205 'Thumper' × 1. Recommended / Recommended Would you like us to connect the speaker for you?: No, I'll solder it myself. Add a stay alive?: No. £124.99. Subtotal £499.96. Order #34828.

 

Roads & Rails (25th June 2025). Your parcel from Roads And Rails is due to be delivered today.

 

Kier Hardy (26th June 2025). The 4 decoders arrived this morning (Thumper 205 & 3 X Class 47 (8-pin). The Thumper works really well with sound and a good response for traction. One Class 47 decoder also works well. Unfortunately 2 of the Class 47 decoders do not respond to traction control with no increase in engine sounds - all other sounds work fine on both of them. Please can you advise if there's anything I'm missing, or any settings I should check. The old basic decoders have been refitted and the models work well in fwd & rev, so it's not a problem with the model. I do not have lights fitted to my models. I look forward to hearing from you.

 

Roads & Rails (26th June 2025). I’m honestly not sure, I sell around 250 sound decoders a month and maybe get 2 returned out of those, so to have 2 of 4 genuinely faulty seems almost impossible. Start by checking the brake key (f2 isn’t on). If the brake isn’t on and they still aren’t moving, you’ll have to send them back and I’ll test them here, if they work though, I’m not sure what to suggest. I noticed that the decoder that you returned worked, to my surprise, so that’s another decoder that you thought didn’t work which did, I’m quickly getting to the point where selling to you might become more hassle than it’s worth.

 

Kier Hardy (27th June 2025). That has to be the understatement of the year, and I concur that this experience has been more hassle than it's worth, not helped by your mistake sending out the wrong decoder in the first place. F2 and all other relevant functions are off, but the models do not move forward or reverse, and neither is there a change in engine rev's (unless F7 manual notching up is operated). I would like to know from you (who should know the products inside out), as to why the first 8-pin decoder would only respond to a traction command with no sound (then replaced with fully functioning decoder), but is found to be faultless on return to you. Is there an inherent problem with an 8-pin adaptor on a 21-pin decoder that is the underlying problem here? Out of the latest three 8-pin decoders, why should 2 of them not respond to any traction commands (but still have sound) - almost a complete opposite of the original problem encountered? I've swapped them between various models, only to find the same problems with the two decoders, whilst other basic non-sound decoders are providing traction to the models satisfactorily. I possess some of the latest factory fitted sound models that have proved reliable in service, so in a quest to bring the rest of my model fleet up to date (hence the request for compatible 8-pin decoders), my dealings with you have proved to be a big disappointment. I'll happily keep the decoders that have so far worked, and request a £260 refund (incl P+P) for the last two, which I will send back to you to conclude our business.

 

Roads & Rails (27th June 2025). Yes send the other 2 back for a refund. That works for me.

 

Roads & Rails (27th June 2025). I asked for suggestions on my Facebook page as to what the issue might be, and some have suggested the 8 pin plug could be the wrong way round. Usually it wouldn’t matter, but maybe it does when using an 8 pin adapter? Have you definitely got them the right way. Others have suggested that the 8 pin plug could be loose in the socket, is that the case? You don’t need to tell me I should know the products inside out, I assume you just said that to try and wind me up? I know what I need to know. I know my products and can answer all the regular questions but if something unusual comes up, how would I know? I can’t think of anyone else who has bought 5 decoders and not been able to use 3 of them, so this is a learning experience for both of us. There’s no manual as such for trouble shooting, so I can’t explain why a decoder might work here but not there, other than obvious stuff like the brake or drive lock being left on. They sometimes behave strangely with Hornby select controllers if that happens to be what you are using? You weren’t disappointed the other day, you said you were so pleased you were ordering 4 more decoders. I sent the replacement 47 decoder to you before you had even sent the other back. That’s a big risk to take on a brand new customer, but it’s what I did as it was my mistake. And it felt like the right thing to do. If you single handedly sent out 200 orders a week, I’m sure you’d make a few mistakes a month too, so sorry for not being perfect, I do believe I refunded your postage for that, but I’ll check. I’d be happy to work with you to get them working, but unless any of the things above work, I don’t have any other ideas. If they still work when they come back it would just confuse things further. I don’t want this to become a situation where they just keep going backwards and forwards where I say they work, and you say they don’t, especially as you’ve already said you want a postage refund, even if they turn out to work still. So maybe the refund is the only option.

 

Roads & Rails on FB (27th June 2025). I'm looking for a bit of expertise here. I had a customer who bought a decoder for a Heljan 47 (8 pin) which he said the sound didn't work. It was just before I went to London so I sent a replacement before his came back. He fitted the new one and it worked, and I tested the one he sent back, and it worked. He was pleased with my service and bought 4 more decoders, 2 of which he says don't have any movement, but everything else works. It's almost the opposite problem! Obviously these decoders get tested before they are sent, so I know they worked, and I know the one he sent back so far also worked when it came back, he also said he has a lot of factory sound locos which work. What could he be doing wrong?

 

FB posts (27th July 2025).
JS said - First steps are definitely asking what system he's using, having him do a CV8 reset, and ideally having him test the decoders in other locos or other decoders in the problem loco. Bit of a minefield
R&R said - He’s still not told me what controller he’s using or anything but he’s got some more experienced friends going round over the weekend so hopefully they can get it working.
MB said - I’m not saying this is the cause, but the V5s don’t like railcom with some command stations. Another diagnosing query to add to your library
KH said - i had this very recently. Loco worked here, totally dead when it got to the customer. I had it back and it was fine. He has a digitrax controller with railcom. At the club, the loco worked on all the layouts bar the z21. We changed short and long address and it works now. Very odd
EF said - Railcom also seems to disagree with dcc concepts cobalts ect too
JS said - Yeah ESU don’t seem to like railcom, also makes the decoders buzz horribly even if loco not moving or with functions being used, once I disabled railcom on yamorc command station it stopped.
MG said - If he is using a Hornby Select controller then he should ensure it is running the latest v1.6 software. Only Hornby can update it by sending the Select to Kent, a reasonable charge of £15 to upgrade. I know issues can be caused by any physical controllers not being up-to-date date, Hornby and non Hornby too. It's too easy to blame the decoder, whether Hornby or non Hornby. Crucial to gather evidence first.
MP said - Agree with MB above - ask him what sort of DCC setup he js using. Also wondering if its the old Heljan 47 whether he has too many locos on his layout for the power supply - Heljan being known for having high current draw.
PJ said - It could be that the 8 pin pcb on the locomotive is a bit of a loose fit regarding the pins or not all pins inserted into the plate far enough. Can ALL be tested on the test bed prior to any installation. Your customer needs to appreciate the value of your product and put his hand in his wallet and buy the necessary equipment to program and test these valuable products.
MC said - 9 times out of 10, it’s their layout, controller or quite simply usage.
JT said - I know this may be a stupid answer and has probably been investigated but some sound fitted or sound decoders have a handbrake programmed into them .. I know I have this functioning on some of my steam locomotives and I would imagine modern traction wouldn’t be any different.
KD said - If it's a v5 decoder with all the protocols left on and he has an ECOS with all the protocols switched on the auto detection of which protocol to use doesn't always work on the decoder. A lot of the factory fitted decoders from ESU will be DCC only so no problem, however what is used in the aftermarket retail market are multi-protocol and that can be a problem.
Kier Hardy says - There were plenty of other replies and suggestions, which not only stated the obvious, but were of little use or just purely derogatory. The decoders were tested on different models with the same results, as well as on a decoder tester as featured in the latter part of this video. Copy and paste URL to view, as it's unlisted on youtube. https://youtu.be/jzayipSNPKs

 

Roads & Rails (27th June 2025). Ok let me know. If you get them working and keep them I’m willing to do a bit of a discount for the hassle, and I’ve probably shown my frustration a bit, which I shouldn’t have. I don’t deny they don’t work there, I’m not trying to say you are stupid or anything, I just can’t work it out, and these kind of issues where it works here but not there are the worst possible ones to solve! Loose connections on the 8 pins can be an issue, but it’s very very rare, I’d say it’s happened maybe 5x out of thousands sold. You can gently put the pins on the corner of something hard, like a weight out of a loco, and gently push them against it to spread the pins slightly, don’t do it on anything you could damage! I think it’s likely to be a controller compatibility issue, that I don’t have any knowledge of, which decoder do you use? Can it be updated or reset?

 

Kier Hardy (28th June 2025). First of all I'd like to thank you for your trust in me and for sending a replacement decoder before I'd returned the 'defective(?)' one. It's a mystery to me as to why it worked when you got it back, but then again, so is this latest scenario. It's easy enough to imagine that some might associate these sort of problems with railway modellers in the loft, thick in dust and filthy track and locos. I've been building some rare models for over 40 years now and with over a 100 exhibition appearances with a large layout, everything has to be spotless and protected. Every wheel on a model locomotive has additional electrical pick-ups, and the rails and wagon wheels are kept clean, so I would notice if there was a dodgy wire or bad connection on any model undergoing a conversion. Saturday afternoon was a chance for several DCC users to put their heads together and to find out where the problem lies with the 2 last 8-pin decoders. After a few trials, over several different Class 47 models, with the 3 decoders, it was apparent that only 1 worked in a number of different circumstances. Each one was also tested on a multiple decoder interface with the same results - please see the results on the video (link). It's private, so only those with the URL can copy, paste and view it - please feel free to share it if it helps. Also on the video are a couple of clips of the working Class 47 and the Thumper Class 201. I will most likely use the latter for the next running session video - they sound great and are a pleasure to operate. So where do we go from here? Would you normally send a decoder back to the manufacturer, or perform an upload of the latest software instead? That's if you found it not working. Just say that is the case, then it could potentially be a controller problem? But why do the other 8-pin decoders work fine on the 6 month old NCE Powercabs? All functions have been switched on and off. There was talk of inspecting CV67 to CV94 and comparing the settings with the decoders that don't work here.... but I'm a relative novice. I only got my first DCC sound model 2 years ago with a Bachmann Dynamis, and it does become compulsive after a while when things go well. No more than one model running on one controller at a time. Maybe this latest update might have some suggestions on your facebook page - the comments were interesting! Incidentally, did you know that a 8-pin basic decoder will work with the plug either way around, the only difference being the direction of travel?... I learn something new everyday. I'd like to help you on this to get the decoders working, rather than my money back - your comments would be appreciated - but no offence if you just want to put a line under it.

 

Roads & Rails (29th June 2025). I’ll watch the video in the morning. I do have a feeling it will turn out to be controller related, but as you say it makes little sense that some work and others don’t. It won’t be your track, that’s for sure as of pickups were an issue, nothing would work. I will try and find a way to get them working, best case scenario is that they come back and don’t work here either! Cos then I know I can send working replacements and that should solve it, so let’s start with that, if it does work here, I was gonna suggest disabling the brake function, but then I remembered you said one works, and all 3 (plus the other) are identical, so that can’t be it either. I’ll think of something though.

 

Kier Hardy (1st July 2025). 2 x decoders returned £8.75 postage. (now -£9.55 out of pocket).

 

Roads & Rails (6th July 2025). I just tested the first decoder, and it didn’t move for me either, so I’ve loaded on a small test file and it works fine. So I’m reloading the sound back onto it. I assume the other will be the same. I need to understand what you are doing differently to anyone else as this has never happened before, and as I say I sell thousands of decoders a year, so if it was an issue from my end, it would have happened way more often than this. What controller do you have? Which CV’s did you change (if any)? Do you use any kind of PC software such as JMRI to make alterations. Do you run a particularly high track voltage or anything? What brand of loco were they fitted to? Is there anything else you think that might be relevant? Let me know and I’ll see if I can work out what the issue might be.

 

Kier Hardy (6th July 2025). Thank you for the update. I have a NCE Powercab controller (6 months old), which has only been wired up to the test track for the purpose of installing the decoders and testing. No CVs have been changed, and the decoders have only been fitted to Heljan Class 47s, which have previously had Hornby R8249 basic decoders working well. No software changes, no PC interaction - just the NCE Powercab 2 wires to test track. Reading at test track 13VAC. There's nothing more than fitting and testing carried out. Nothing has been shorted and no other power sources have been used. The decoders were tested in other Heljan Class 47 models (including those that do work with your decoders) - all with the same results. They were also tried on a decoder tester as per video (link). The 2 models so far fitted perform and sound good. If there's anything else you want to know, please ask.

 

Roads & Rails (6th July 2025). I’ve asked on Facebook again, the 2 things that came up as potential causes were either the momentum button on NCE controllers. Make sure you don’t use that, or if you had attempted to consist them?

 

Roads & Rails on FB (6th July 2025). I'm after a bit of help from anyone who might have had this issue... I have a customer who has returned two (out of four he bought) Loksound decoders, where everything worked apart from the drive. I expected them to work to be honest, but when I tested them, sure enough no movement, but all the sounds and lights etc worked. So first I tried resetting them. That didn't work, so I loaded a sound test file, that worked! Movement, sound and lights. So I re loaded the original sound (ESU Hifi 47) and the decoders are fine. So one of two things seems to have happened, either the customer has managed to permanently change something, that CV8 can't reset, or the decoder has somehow shut off the motor outputs, but I'm not sure that's even possible? Usually if you blow a part of the decoder, from for example by wiring it up wrong, it causes a physical problem, that you couldn't just solve by re loading the sound. I've asked him some questions but can anyone think what he might be doing? I'm struggling with this one! I'm not sure if its relevant, but before this, he returned the only other one he's bought from me saying there's no sound, but there was when I tested it, I didn't even have to reset it. I think he previously said he uses an NCE controller. Thanks in advance for any suggestions that you think might be relevant.

 

Roads & Rails on FB (6th July 2025).Just an update from the customer: Thank you for the update. I have a NCE Powercab controller (6 months old), which has only been wired up to the test track for the purpose of installing the decoders and testing. No CVs have been changed, and the decoders have only been fitted to Heljan Class 47s, which have previously had Hornby R8249 basic decoders working well. No software changes, no PC interaction - just the NCE Powercab 2 wires to test track. Reading at test track 13VAC. There's nothing more than fitting and testing carried out. Nothing has been shorted and no other power sources have been used. The decoders were tested in other Heljan Class 47 models (including those that do work with your decoders) - all with the same results. They were also tried on a decoder tester as per video. The 2 models so far fitted perform and sound good.I’ve asked him if he’s used the momentum button or consisting. The thing that makes it even more confusing is that the others work. These are the worst kind of problems to solve, where the decoders seem to function as they should

 

FB posts (6th July 2025).
CT said - Had he tried using autotune? That fixed most issued with my class 02 recently.
CJT said - 13vac seams low for dcc? I have my track at 18vac.
R&R said - I wonder if that’s an issue too. I’ve refunded him now, I don’t think it would have been the right thing to send them back, knowing they already didn’t work once.
AW said - The customers NCE sounds like its faulty and needs resetting to factory settings. I know someone who has an NCE Powercab system and his went faulty due to an Accurascale loco drawing too much power. Every loco he put on the layout did strange things and blew the chips.
GC said - Probably a long shot but if he had two locos consisted and later tried to run them as individuals without killing the consist then that could be the issue. I've had that happen with NCE.
MP said - Used the ‘momentum’ button on the power cab? That’s known to write in changes that are difficult to undo. Most forums recommend not using it.
MG said - The momentum button affects CV3 and CV4
RB said - If the customer used a lokprogrammer on the loco, there is the option to change the CV settings and "reset new values as default". If this is selected, then setting CV8=8 will just restore the settings that the customer altered, rather than putting it back to factory. That would explain why reloading the file resolved it, as this would over-write all the CVs. My best guess.
NY said - Was the drivelock function enabled accidently? Seems a bit odd that 8 to 8 didn't fix it, i did once have an issue loading a file onto a chip, the sounds didn't fully copy over like some parts were missing and had to reblow the chip and worked fine, so whether it was a bad write in the first instance?
R&R said - I think even if he’d left drive lock or brake etc on, testing it on my controller instead of his would get around the problem, or does it remember a function being on? I’m not sure about files not loading properly. It’s not something I’ve seen out of thousands I’ve done
NY said - There was no indication that the chip didn't complete successfully, just the sound file not working correctly.
JT said - As I’ve previously mentioned to you before, and I know you're the expert but sometimes as I’ve found out cv8 doesn’t work with esu decoders.. I have tried lots of weird ways like cv8 to 8 then unplug it for 10 seconds and then plug it back in .. didn’t work .. I think all CV8 on an esu decoder will reset the decoder to the last known preset so if he had made multiple changes to try and fix the problem the decoder will default back to a previous change .. I think that’s how esu works any way or the way I have come to understand hence why chan at Track3D railway parts always saves the original setting to a file before he makes any cv changes .
CJT said - Not saying it’s your fault but is there a possibility the files you uploaded corrupted on upload? I have had that happen and just closing the software opening it back up and reblowing the decoder again fixed it
R&R said - It’s not impossible, but out of thousands of decoders sold, why would it never happen, apart from 3 times with this customers? Seems soo much of a coincidence to be something happening here. He’s the type of customer who wants postage costs back for everything, even though I’m pretty sure it’s something happening at that end, so I don’t want to get to a point where I’m covering the cost of 2 locos for me to say they work and him to say they don’t.
DN said - DN Late to the party but in the absence of anything else, I think this is your only option (bearing the cost of postage). If everything works ok with your set up and still fails on his, then his set up is the problem. The only other alternative is to refund him the money and say unfortunately, you cannot repeat and therefore resolve the issue remotely. This approach is not ideal but there's only certain things you can do to try and resolve.

 

Roads & Rails on FB (6th July 2025). Thanks for peoples help and suggestions yesterday regarding the decoders which won’t work for a customer, but work here. In the end me and the customer decided a refund was best, as he’s sure his controller works fine and he’s not changed any settings, and I know the decoders work ok because I’ve tested them thoroughly, so it didn’t seem worth the effort and expense of posting them again, to probably have the same issue. It’s frustrating but as it’s such a rare occurrence, and there’s no obviuos solution, it’s one that it’s best I move on from quickly, before it takes up too much time.

 

FB posts (7th July 2025).
NY said - You help us out plenty so its nice to give back.
JS said - Your customer should try a powercab reset. I changed nothing on mine and it was playing up. After reset it worked perfectly. A reset takes less than a minute.
MS said - Somethings come along now and then that's difficult to get to grips with.
AK said - Very wise.
EB said - It’s great that you deal with every situation that challenges you, after all it’s business.

 

Kier Hardy (7th July 2025). No momentum or consist used, just purely functions, and traction on the test track.

 

Roads & Rails (7th July 2025). Ok, there’s nothing I can do then, I’ll refund them. I can’t fix them if there’s no problems with them, and I don’t want to waste any more time on them going backwards and forwards. Sorry I can’t help, but make this your last order, as I’d be nervous of sending any more, after these issues.

 

Kier Hardy (7th July 2025). I fully understand the situation and I'm sorry things have turned out to be a bit frustrating..... we'll call it a day and go for the refund to save any more post office trips. I'm really happy with the 2 Class 47s that are working and sounding great, so at least that's one silver lining.

 

Roads & Rails (7th July 2025). Yeah don’t take it personally. It’s just the worst kind of problem to have, I’d rather they’d both come back with big burn marks on the heat shrink because it would be an obvious problem. But I know that however thoroughly I test these, if I send them back, you’ll almost definitely have the same issue, so it just seems like a waste of both our time, I’m still confused how 2 don’t work and 2 do! I forgot to ask, did you change the address on them? Someone suggested it could be related to CV29, which changes if you change to a 4 digit address.

 

Kier Hardy (7th July 2025). I fully understand and I haven't taken it personally. You have a business to run, and these mysterious problems may only cause further frustration. Despite being a relative newcomer to DCC sound, I do have a lot of experience in dealing with electronic components, and always in a safe and controlled environment.... I wish I knew why the 2 decoders didn't work when I tested them in the model and on the decoder tester. I haven't changed any CVs or interrogated the decoders - just straight out of the packet, plugged in to the model on the test track, double checked on the decoder tester, then after our emails, straight back into the packet and back to you.

 

Roads & Rails (7th July 2025). If you ever work out what it might have been I’d be interested to know, and if I do I’ll let you know too.

 

Roads & Rails (8th July 2025). Some items in your order have been refunded. - £249.98.

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