4.9 Test Run with Load Connectedu Test Run with the Load ConnectedAfter performing a no-load test run, connect the motor and proceed to run the motor and load together.n Precautions for Connected MachineryWARNING!Sudden Movement Hazard. Clear all personnel from the drive, motor, and machine area before applying power. System maystart unexpectedly upon application of power, causing death or serious injury.WARNING!Sudden Movement Hazard. Always check the operation of any fast stop circuits after they are wired. Fast stop circuits arerequired to provide safe and quick shutdown of the drive. Prepare to initiate an emergency stop during the test run. Operating a drive withuntested emergency circuits could result in death or serious injury.• The motor should come to a complete stop without problems.• Connect the load and machinery to the motor.• Fasten all installation screws properly and check that the motor and connected machinery are held in place.n Checklist Before Operation• The motor should rotate in the proper direction.• The motor should accelerate and decelerate smoothly.n Operating the Motor under Loaded ConditionsTest run the application similarly to the no-load test procedure when connecting the machinery to the motor.• Monitor U1-03 for overcurrent during operation.• If the application permits running the load in the reverse direction, change the motor direction and the frequency referencewhile watching for abnormal motor oscillation or vibration.• Correct any problems that occur with hunting, oscillation, and other control-related issues.4.9 Test Run with Load ConnectedYASKAWA ELECTRIC TOEP YAIP1U 01B YASKAWA AC Drive - P1000 Quick Start Guide 1234 Start-Up Programming &Operation
