37Troubleshooting
Line fuse blows
Line fuse does not blow,
but the motor does not run
1. Line fuses are the wrong
size.
2. Motor cable or armature
is shorted to ground.
3. Nuisance tripping caused
by a combination of
ambient conditions and
high-current spikes.
4. Field circuit is shorted.
1. Speed adjust pot or
reference voltage is set
to zero speed.
2. Speed adjust pot or
reference voltage
connections are open.
3. Drive is overloaded.
4. Drive is not receiving
AC line voltage.
5. Motor is not connected.
1. Check that line fuses
are 3 A.
2. Check motor cable and
armature for shorts.
3. Decrease TORQUE
setting (page 21).
4. Send in drive to
Minarik repair
department.
1. Increase speed adjust
pot or reference voltage
setting.
2. Check that the speed
adjust pot or reference
voltage connections are
not open.
3. Verify that the motor is
not jammed. Increase
TORQUE setting (page
21).
4. Apply AC line voltage
to L1 and L2.
5. Connect motor to A1
and A2.
Symptom Possible
Causes
Suggested
Solutions
To Next Page
Loading...
