RailPro > RailPro Specific Help & Discussion

Loco Stopped. “Motor Over Peak Current”

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nodcc4me:
The locomotive may run, but if the default maximum current is lower than the actual current draw it may not run at all. Also, you would not be able to synchronize locomotives in consist very well. Ring strongly recommends setting the maximum current as soon as the LM is installed.

ON28:
What is the default max current?

nodcc4me:
I'm not positive, but I believe it is about 250mA, which is enough to perform the automatic setting for the particular locomotive. I suggested checking the max current setting because you are  experiencing the problem as soon as you apply throttle. You can run the auto-set multiple times if you think it is setting the max too low. Also, it can also be set manually, if necessary.

ON28:
Thanks for that. Funny thing, I recently auto re-set the max current on my Atlas GP-7, and it reset from 550mA to 650mA. Is it best to re-set with start-stop, etc., at their original factory settings? I installed the LMS-3 probably two-plus years ago, so it's possible the drive train needs a cleaning. Track and wheels were clean.

nodcc4me:
You can set it using a start/stop technique. I have had to do that only once on an old locomotive. A better way is to use the auto setting and if you get the overload message, raise it slightly until you no longer get that error. If you have to go way over the auto setting and are still getting the message then there is another problem.

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