LEESON Chassis Mount Regenerative Control: 175721.00 - Manual (Page 51)

Line fuse does not blow, but the motor does not run
1. Verify that the speed adjust potentiometer is not
set to its zero speed position.
2. Check the speed adjust potentiometer for
continuity.
3. Verify that the inhibit terminals are not shorted
together.
4. Check that INHIBIT–RUN terminals 2 and 3 are
connected. (See figure 16, page 25)
5. Verify that the drive is receiving AC line voltage.
6. Check that the drive is not in current limit. If the
drive is in current limit, verify that the motor is not
jammed. It may be necessary to increase the
FWD TQ or REV TQ setting if it is set lower than
the current rating of the motor.
7. Check that the speed adjust potentiometer
connections to the terminal block are correct and
not open.
45 Troubleshooting