Minarik RG501A, Руководство пользователя

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24 Troubleshooting
Problem Possible
Causes Suggested
Solutions
Field fuse blows
Line fuse blows
Motor runs too fast at
maximum speed setting
1. Field fuse is the wrong
size.
2. Motor field is shorted
to ground.
3. F1 is shorted to F2.
4. Motor cable is shorted
to ground.
5. Motor field leads are
reversed with motor
armature.
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
(i.e. reversing).
4. Field circuit is open.
1. MAX SPD setting is
too high.
2. Motor field connections
are loose (shunt wound
motors only).
1. Verify that the fuse
is 1.5 A.
2. Check if the motor
field is shorted to ground.
Replace motor if
necessary.
3. Check that F1 and F2
are not shorted together.
4. Check that the motor
cable is not shorted to
ground. Replace cable if
necessary.
5. Wire motor armature to
A1 and A2; wire motor
field to F1 and F2.
1. Check that line fuses
are properly sized.
2. Check motor cable and
armature for shorts.
3. Add a blower to cool
the drive components;
decrease FWD TQ and
REV TQ settings; check
wiring to be sure noise is
reduced or eliminated.
4. Send in drive to
Minarik repair department.
1. Recalibrate MAX SPD.
2. Check motor field
connections.
250-0234 rev 1.qxd 3/12/99 11:14 AM Page 24