24
Troubleshooting
Motor will not stop when the speed adjust potentiometer is
full counterclockwise
Turn the MIN SPD trimpot CCW until the motor stops.
Motor runs in the opposite direction
1. Remove AC line voltage.
2. Reverse connections to the motor armature.
Motor slows under load
1. Check that the drive has been correctly calibrated 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 is unstable under load
Readjust the IR COMP setting slightly CCW until motor speed
is stabilized.
Motor only runs at full speed
Check that S2 and S3 are not shorted together.
For additional assistance, contact your local Leeson distributor, or
the factory direct: phone (414) 377-8810, fax (414) 377-3440.
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Summary of Contents for M1740009.OO
Page 1: ...USER S MANUAL M1740009 OO Pulse Width Modulated Adjustable Speed Drives for DC Brush Motors...
Page 8: ...2 Dimensions Figure 1 M1740009 OO Dimensions...
Page 31: ...25 Block Diagrams Figure 16 Block Diagram...
Page 32: ...26 Block Diagrams Figure 22 Input Circuit Diagram...
Page 33: ...Notes 27...
Page 34: ...Notes 28...