RailPro > RailPro Specific Help & Discussion

LM-4S-G Erratic behavior/Intermittent "Cannot Connect"

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jordanhd87:

--- Quote from: William Brillinger on December 18, 2022, 03:29:08 PM ---Sounds like you both need to contact Ring and report the same issue. (again)

--- End quote ---

I've spoken with Tim @RailPro a couple of times for probably 2 hrs over the last two weeks. According to him there's not enough evidence that the issue is with the RailPro modules or the heldheld (pointed fingers at everything else but the railpro stuff). He did say I could send the stuff back to him to checkout but "he guarantees that he won't find any issues with it." Not sure how he can say that with absolution, but regardless, he did. His other words were, "no one else has reported this issue...." if there are others, PLEASE call Tim.

William Brillinger:

--- Quote from: Dodgezilla04 on December 18, 2022, 07:33:07 PM ---I emailed ring when I first started buying stuff, asking about a sound file... Never bothered to respond, it's been 6 months...........

--- End quote ---

Pick up the phone. Email is horribly unreliable.

G8B4Life:
Does this problem only happen when in close proximity or in line-of-sight to the benchtop and / or Crest supply? Some of the symptoms you describe match a power supply putting out a lot of RFI. A member here had previously come across this one, noticing that things went really strange when a certain power supply he had was line-of-site in between the HC and the LM in the loco.

- Tim

jordanhd87:

--- Quote from: G8B4Life on December 19, 2022, 06:51:07 AM ---Does this problem only happen when in close proximity or in line-of-sight to the benchtop and / or Crest supply? Some of the symptoms you describe match a power supply putting out a lot of RFI. A member here had previously come across this one, noticing that things went really strange when a certain power supply he had was line-of-site in between the HC and the LM in the loco.

- Tim

--- End quote ---

Interesting thought..... outside, the issue seems to occur in random/various places around the layout. Inside, the power supply is within 4 feet of the locomotive. On the bench, the handheld is always set right next to the locomotive (not inbetween the PS and locomotive). Outside, the PS does reside inside of the loop. So depending on where I stand, there may be times the PS is between the loco and handheld. The PS is stored in a weather resistant box trackside, and is about 5 inches off of ground level inside of the box. I'll see if I can dig up a picture. Also, when I get that USAT supply in my hands I'll report if there is any difference in operations.

Edit: here's the best picture I could get of the overall layout. The power supply is in the box circled in red. 20amp 120vac circuit was run to the layout right next to the box.

Gibs:
I know that you stated that you keep your track clean, which I don't doubt. However there is another culprit.
When I look at that photo, I'm seeing a LOT of track, and the first thing that came to mind was, I hope hes using a Bloody BIG BUS system for that with plenty of droppers and more than one power supply. See the problem is the voltage that we use in model rail. Its bloody WEAK! By that I mean when it comes to long runs of cable and/or track, 12V-24V is pathetic to be a good POTENTIAL DIFFERENCE between POLES (+, -), even if its DCC. The longer the run the higher the voltage needs to be to get the job done plus the bigger the cable required. The funny thing is, the current can go DOWN when this is done. In fact it always does for the same given POWER (WATTS) Rating.
The other better option is to break the long runs down into practical lengths of Cable/Track runs. More power per given length with less loss.
So the question is, how long is a Powered section of the Track/Bus Run that you have per section, (I'm really hoping its in a lot of sections with a lot of droppers) and what size is your main cable bus.
Because if its not suitable for the length of your line, that may very well be your problem.

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