YASKAWA A1000

136 YASKAWA ELECTRIC SIEP C710616 27G YASKAWA AC Drive A1000 Technical Manual
4.9 Test Run with Load Connected
4.9 Test Run with Load Connected
 Test Run with the Load Connected
After performing a no-load test run, connect the motor and proceed to run the motor and load together.

Notes on Connected Machinery
• Clear the area around the motor.
• The motor should come to a complete stop without
problems.
• Connect the load and machinery to the motor.
• Fasten all installation screws properly
. Check that the motor and connected machinery are held in place.
• Confirm that the Fast Stop circuit or mechanical safe
ty measures operate correctly.
• Be ready to press the STOP button in case of emergency.
 Checklist Before Operation
• The motor should rotate in the proper direction.
• The motor should accelerate and decele
rate smoothly.

Operating the Motor under Loaded Conditions
Test run the application similarly to the no-load test procedure when connecting the machinery to the motor.
• Watch monitor parameter U1-03 during operation to ensure there
is no overcurrent.
• If the application permits running the load in
the reverse direction, try changing motor direction and the frequency
reference while watching for abnormal motor oscillation or vibration.
• Correct any problems that occur with hunting, oscillation, or other control-related issues. Refer to Motor Performance
Fine-Tuning on page 326 for details.