Baldor NEMA-4X Installation And Operation Manual page 35

OL LED indicator is illuminated.
Power ON LED indicator is not illuminated.
Motor runs at high speed and does not
respond to the main adjust pot or remote
speed signal.
Note: For any other problems, consult the factory representative.
35
TROUBLESHOOTING TABLE (Continued)
Motor is overloaded. Check motor amps with
DC ammeter in series with armature. (If
motor is shunt type, field may be open or not
receiving proper voltage.)
Check motor for shorts or grounds. Motor
may be defective.
Check position of CL trimpot. The CL trimpot
may be set too low.
Rapid Acceleration change will cause the OL
LED to illuminate.
setting.
Check to see if the AC Line connections have
been made.
Check AC Line fuse.
Check position of Jumper, J3. If tachometer
is connected, verify signal polarity.
Verify potentiometer