Yaskawa J1000 Compact V/f Control Drive - Manual (Page 114)

4.7 No-Load Operation Test Run
u No-Load Operation Test Run
This section explains how to operate the drive with the motor uncoupled from the load during
a test run.
n Before Starting the Motor
Check the following items before operation:
• Ensure the area around the motor is safe.
• Ensure external emergency stop circuitry is working properly and other safety precautions
have been taken.
n During Operation
Check the following items during operation:
• The motor should rotate smoothly (i.e., no abnormal noise or oscillation).
• The motor should accelerate and decelerate smoothly.
n No-Load Operation Instructions
The following example illustrates a test run procedure using the digital operator.
Note: Before starting the motor, set the frequency reference d1-01 to 6 Hz.
Step Display/Result
1. Turn on the power to the drive. The initial display appears.
2. Press the key to select LOCAL. The LO/RE LED will turn
on.
STOP
4.7 No-Load Operation Test Run
114 YASKAWA ELECTRIC TOEP C710606 26D YASKAWA AC Drive – J1000 Quick Start Guide