Need some help on this accessory; the car shuttle goes around the track and the relay arms will click; the shuttle will not stop at all; there are no announcements and only the markee light comes on; the car was door does go up and down; there is no smoke.  Was fortunate to find a replacement board; installed it and same symptoms.  Any ideas from anyone who has experience with these?  What to look for and what to adjust; many thanks for the help; Falcon70

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It sure sounds like something is stuck. Very basic system inside. When conditions get met, the car moves to the next point.

I bought one that was broken. I had to dismantle it, sand and lubricate the main wheel to get it to spin freely. It kept getting stuck.

All the switches inside worked great. Every once in a while it goes around silent, when power is applied. I believe it's from something out of sync. I also believe that what you're seeing!

" on Sour mash and cheap wine " ??

Why go back to DCC when I have DCS!

The limit switches don’t like to open/close/open and so on during the cycle.  I learned that on my gas station.  Somehow I think the board or program switch gets confused.  That really is the only input/output.  You might apply jumpers after you take it apart.  I recommend ordering switches prior, as they a not to expensive and will work on other MTH stuff of that ilk.  Just my thoughts.

Bryant

TCA 18-73717

As to the smoke: I had one of the original runs, and found that the smoke tube nozzles were not quite open enough to allow the smoke to come through. I used a small wire (a paperclip, in fact) to poke into the nozzles and clear them. Plenty of smoke after that. Hope this will help.

"You have to grow old. You don't have to grow up". Ray Bradbury

I should take mine back apart and take notes. I believe things  like the door not being fully open or closed for example, will stop it from operating correctly.

Recently my smoke unit stopped working. So I need to look at that again.

" on Sour mash and cheap wine " ??

Why go back to DCC when I have DCS!

Engineer, would really appreciate any tips you come up with; took off the bottom cover and seeing the mechanics turned my bowels to water!  I  think the five micro switches feed the board and it in turn controls the other “stuff”.  Thanks again; Falcon70

Got it workng now; "stupid is as stupid does" in the that I was holding the activation circuit closed; it is a MOMENTARY activation!  Duh!  Smoke unit was belly up; motor ran but no air flow.  Found some white silicone sealer between smoke PCB and impeller housing; stopped fan rotation; cleaned the residue from bottom of PCB and replaced the impeller; smokes like crazy now on the wash cycle.  Thanks for the idea the control board needs time to process the micro switch inputs; good to go; Falcon70

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