4 Trial Operation4-24.1 Inspection and Checking before Trial OperationTo ensure safe and correct trial operation, inspect and check the following items before starting trial operation.(1) ServomotorsInspect and check the following items, and take appropriate measures before performing trial operation if anyproblem exists.• Are all wiring and connections correct?• Are all nuts and bolts securely tightened?• If the servomotor has an oil seal, is the seal undamaged and is the servomotor oiled?Note: When performing trial operation on a servomotor that has been stored for a long period of time, perform the inspec-tion according to the procedures described in 1.8 Inspection and Maintenance of a Multi-Winding Drive System.(2) Multi-Winding Drive System StatusInspect and check the following items, and take appropriate measures before performing trial operation if anyproblem exists.• Are all wiring and connections correct?• Are the correct power supply voltages being supplied to the multi-winding drive unit, SERVOPACKs, andconverters?4.2 Trial Operation for Servomotor without LoadFor information on trial operation on the servomotor without a load, refer to theΣ-V Series User’s Manual ForUse with Large-Capacity Models Setup Rotational Motors Multi-Winding Drive System (No. SIEP S80000185).
