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❏ 17. Check for Correct Motor Rotation.
Apply Power to Drive
a.) Reapply power to the drive.
Verify Frequency
Command = 0
b.) Verify that the frequency command is at zero Hz. Refer to step 11 for
c.) Start the drive.
Slowly Increase Speed
or
d.) Slowly increase the speed until the motor begins to turn. Check the
Verify Direction
of Rotation
e.) Stop the drive. If the direction of rotation is as desired, proceed to step
further information.
direction of motor rotation.
18.
If the direction of rotation is incorrect - disconnect and lock-out all input
and control power to the drive. When the HIM Display is no longer
illuminated, remove the drive cover. Verify that the DC Bus neon
indicator is not illuminated (see Figure 2.3 for location) and wait 60
seconds. Interchange any two of the three motor leads at TB1 terminals,
T1, T2 or T3. Replace the drive cover and repeat steps a – e to verify
correct motor rotation.
Start-Up
4-9
At Speed
At Speed
+5.00 Hz
+5.00 Hz
Stopped
Stopped
+0.00 Hz
0.00 Hz
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