41
PROBLEM
POSSIBLE CAUSE AND SOLUTION
Motor runs too fast
1. Check that the MAX SPD setting is not set too high.
at the maximum
speed setting
Motor runs in the
1. Remove AC line voltage.
wrong direction
2. Reverse connection to the motor armature.
Motor slows or is
1. Check that the drive has been correctly calibrated for
unstable under load
for the motor.
2. Check that the motor is not overloaded.
3. Readjust the IR COMP slightly CW until motor runs at
proper speed.
Motor runs at full
1. Check that S2 and S3 are not shorted together.
speed at all times
Troubleshooting
