
58
Troubleshooting
2. MAX SPD is not
calibrated.
1. MAX SPD setting
is too low.
2. IR COMP setting
is too low.
3. Motor is
overloaded.
1. IR COMP is set
too high.
2. Calibrate MAX
SPD (see page 38).
1. Increase MAX
SPD setting (see
page 38).
2. Increase the IR
COMP setting (see
page 40).
3. Check motor load.
Resize the motor if
necessary.
1. Adjust the IR
COMP setting
slightly CCW until
the motor speed
stabilizes (see page
40).
Motor runs too slow
or too fast at set
speed (cont.)
Motor will not reach
the desired speed
Motor pulsates or
surges under load
Problem
Possible
Cause
Suggested
Solution
250-0281.qxd 4/4/01 11:16 AM Page 58
Summary of Contents for NRGD-4Q Series
Page 9: ...vii Regenerative Drives Figure 1 Four Quadrant Operation...
Page 12: ...x Notes...
Page 15: ...3 Dimensions Figure 2 NRGD05 Series Dimensions ALL DIMENSIONS IN INCHES MILLIMETERS...
Page 16: ...4 Dimensions Figure 3 NRGD10 Series Dimensions ALL DIMENSIONS IN INCHES MILLIMETERS...
Page 17: ...5 Dimensions Figure 4 Heat Sink Dimensions for NRGD10 Series Drives...
Page 33: ...21 Installation Figure 8 Regen Dump Circuit Connections To NRGD Drives...
Page 78: ...Notes...