13
Troubleshooting Guide
Problem
Cause
Problem
Motor fails to start.
Fuse or Circuit Breaker tripped.
Replace Fuse or reset the Breaker.
Stator is shorted or went to ground. Motor
will make a humming noise and the circuit
breaker or fuse will trip.
Contact Agent or Altrad Belle.
Motor overloaded or load jammed.
Inspect to see that the load is free. If free, Contact
Agent or Altrad Belle.
Capacitor (on single phase motor) may
have failed.
Contact Agent or Altrad Belle.
Starting switch has failed.
Contact Agent or Altrad Belle.
Motor runs but dies down.
Voltage drop.
If voltage is less than 10% of the motor’s rating
contact power company or check if some other
equipment is taking power away from the motor or
Contact Agent or Altrad Belle.
Load increased.
Verify the load has not changed. Verify equipment
hasn’t got tighter. If fan application verify the air
À
ow hasn’t changed or Contact Agent or Altrad
Belle.
Motor takes too long to
accelerate.
Defective capacitor
Contact Agent or Altrad Belle.
Faulty stationary switch.
Contact Agent or Altrad Belle.
Bad bearings.
Contact Agent or Altrad Belle.
Voltage too low.
Make sure that the voltage is within 10% of the
motor’s nameplate rating. If not, contact power
company or check if some other equipment is
taking power away from the motor or contact Belle.
Motor overload protector
continually trips.
Load too high.
Verify that the load is not jammed. If motor is a
replacement, verify that the rating is the same
as the old motor. If previous motor was a special
design, a stock motor may not be able to duplicate
the performance. Remove the load from the motor
and check motor doesn’t trip.
Ambient temperature too high.
Verify that the motor is getting enough air for
proper cooling. Most motors are designed to run in
an ambient temperature of less than 40°C. (Note:
A properly operating motor may be hot to the
touch.)
Protector may be defective.
Contact Agent or Altrad Belle.
Winding shorted or grounded.
Contact Agent or Altrad Belle.
The motor makes a loud
rubbing or grinding noise.
Damage to internal workings.
Contact Agent or Altrad Belle.
Unit will not vibrate.
Drive belt tension loose.
Adjust belt tension.
Drive failure.
Contact Agent or Altrad Belle.
Vibrator failure.
Contact Agent or Altrad Belle.
Asphalt adhering to plate.
Bituminous surface
À
aking
(laminating).
Lack of lubrication.
Use water.
Over compaction.
Remove and relay.
Low travel speed (plate
sinking).
Layer thickness too deep.
Remove some of the material.
Moisture content too high or too low.
Remove material and adjust.
GB
