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0

I’ve had the same problem but have traced the issue to the battery box. I will contact Lego


-1

Contact customer service and try to receive a new motor for free. For BL users, search train motor to buy the used/new motors.


1

In my case, the gear next to the slipping clutch was cracked. Since it is only pressed on, it can no longer transmit large forces and the slipping clutch slips in the wrong place.


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