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TROUBLESHOOTING
FAULT
PROBABLE CAUSE
REMEDY
Motor will not run
1. Motor is defective.
2. Voltage is too low.
3. Switch is defective
4. Branch circuit fuse is blown or the
circuit breaker is tripped.
5. Branch is shut down for service.
6. Open circuit in the wiring
1. Replace the motor.
2. Check the power supply for the
proper voltage.
3. Replace the switch.
4. Determine the reason for the blown
fuse or tripped circuit breaker --
then replace the fuse or reset the
breaker.
5. Check all personnel and machines
on the branch to be certain
someone has not shut down the
branch for service. DO NOT
replace the fuse or reset the
breaker unless you are certain no
personnel are working on the
machines, wires or controls in the
circuit.
6. Inspect all the wire connections for
loose or open connections.
Motor Stalls Easily
1. Low Voltage.
2. Improper wiring.
1. Check for proper voltage at the
motor
– correct as necessary.
2. Check for proper connections.
Abrasive belt or disc slows down
although motor keeps running at
working speed.
1. Belt is slipping.
1. Replace the belt.
Poor Tracking
1. Tracking is out of adjustment.
2. Too much belt tension.
3. Not enough belt tension.
4. Belt is jointed improperly.
5. Lack of crown on the drive roller.
1. Adjust the belt tracking.
2. Loosen the tension until the belt is
just taut.
3. Tighten the tension until the belt is
more taut.
4. Check the belt for an irregular
seam or shape.
5. Remove the belt and put a straight
edge along the drive roller. There
should be a slight crown (high spot
toward the middle of the roller). If
the crown has worn away, replace
the roller
WARNING:
Make sure the electrical disconnect is OFF before working on
the machine.
