Wheel System, Traction 124Service Manual – SC500
Troubleshooting
Trouble Possible Causes Remedy
The machine does not move Battery voltage too low Charge the battery
Speed potentiometer (RV1) incorrectly regulated or
broken
Replace
Function Board (EB1) faulty Replace
Wiring damaged Check all connections inside the
electrical component compartment,
included those of the function
electronic board
Drive system motor (M3) carbon brushes worn Replace
Drive system motor (M3) faulty Replace