ok try this ...
im gunna tell you first off that the bottom read switch has no operation but to park and register the gondola at "home position" when it comes to the stop at the end of the program.
but from what you said yours dont even make it that far your hurtz may be a little slow for the motor....here being that german power is 220v 50 Hz the differnce here is 110v 60 Hz which interns means that because of the 10 Hz differnce a motor will run 17 revolutions persecond faster then on german power. so what have we had to do here? well i did some experimenting here and because of the faster running motor the program over extends its points for the program to be percise and it runs the ride so fast that it greatly increases the rate of problematic screw ups with the cableing.
we have solved this problem by usen variable DC pumped into the computer and puitting enough power into the computer to pull the program off and get the gondola up to the top but not over aggressively running it so fast that it over extends or runs so fast.
plus running it on DC will keep the controller cooler and alow continuous running without breaks and overheating....getting a micro processor fan wouldent hurt it would help the cooling of the controller
on a tech 4 220 power pack here in the states we run on DC arround the 45-50 mark on the dial.
in your case you may just not be getting enough power. try first switchen to DC and running it full speed on the dial and see how it reacts if it over extends turn it down...if its not doin the program to the point of were the gondola is home you may need to look for a power pack that offers 14-18 volts DC and you should be better.
let me know how this works, but i realy think you just not getting enough voltage into it to push it enough
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