Minarik NRGD-4Q Series, User Manual

Page: 69 / 80

57 Troubleshooting
Problem Possible
Cause
Suggested
Solution
Line fuse does not
blow, but the motor
does not run (cont.)
Motor runs too slow
or too fast at set
speed
3. INH terminal is
shorted to COM; S2
is shorted to S0, or
RB is shorted to
COM.
4. Drive is in current
limit (CURRENT
LIMIT LED lit).
5. Drive is not
receiving AC line
voltage.
6. Motor is not
connected.
1. Switches or
jumpers are set
incorrectly.
3. Remove short.
4. Verify that motor
is not jammed.
Increase CURRENT
LIMIT setting if it is
set too low ( see
page 41).
5. Apply AC line
voltage to L1 and
L2.
6. Connect motor to
A1 and A2.
1. Verify all switch
and jumper settings.
250-0281.qxd 4/4/01 11:16 AM Page 57