Baldor BC140, Installation & Operating Manual

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2-8 MN703
Table 2-4 Troubleshooting Guide (without Optional Forward-Brake-Reverse Switch)
Symptom Possible Cause Suggested Corrective Action
No braking action in brake
mode.
Faulty connections or loose
connections.
Check and correct connections.
Defective Brake Resistor. Replace Forward-Brake-Reverse Switch
assembly.
Erratic motor performance.
Overload condition. Remove overload.
Incorrect Plug-In Horsepower
Resistor®.
Install the correct Plug-In Horsepower
Resistor®.
CL and/or IR Trimpots may be set
incorrectly.
Readjust the CL and/or IR Trimpots
Defective speed control module. Replace speed control.
Voltage Select Switch set to wrong
position.
Recheck line voltage and the correct setting of
the Voltage Select Switch.
Defective motor, worn brushes, etc. Repair or replace motor.
Table 2-5 Electrical Ratings
Line Voltage
(± 15%,
50/60 Hz)
(VAC)
Motor
Voltage
(VDC)
"Maximum Rating without Auxiliary
Heat Sink"
Maximum Rating with Auxiliary Heat Sink
Line Current
(RMS Amps)
Load Current
(ADC)
Power
HP (kW)
Line Current
(RMS Amps)
Load Current
(ADC)
Power
HP (kW)
115 90 – 130 12.0 6.0 0.75, (0.6) 16.0 12.0 1, (.75)
230 180 12.0 6.0 1.5, (1.1) 16.0 12.0 2, (1.5)