rulmeca 80LP - Troubleshooting

22 DRUM MOTOR INSTALLATION MANUAL 80LP-138LP
APPENDIX
Troubleshooting
MOTOR STOPS OR DOES NOT START
Cause Solution
Incorrect connection Check the connection according to the wiring diagram. Check if wires
No power supply Check power supply
Overload Switch off power and check and eliminate the cause of the overload
Motor overheated
- Motor power too low. Compare the application requirements with the drum motor
specications.
- Lagging too thick. Replace friction lining.
- Incorrect inverter setting. Check and adjust settings according to drum motor
specications.
- Too many frequent start/stops. Reduce number of start/stops or use an inverter for
optimized operation.
Incorrect capacitor - Check if capacitor size is correct. Use the appropriate capacitor.
Short circuit Return the drum motor to RULMECA for inspection.
Replace drum motor
NOISY DRUM MOTOR OPERATION
Cause Solution
Excessive play on
mounting
Check mounting. Assemble the motor without any clearance between the support and
the shaft.
Incorrect inverter setting Check and adjust settings according to the drum motor specications.
Loose wire Check connection
Incorrect capacitor check if capacitor size is correct
Gearing damaged Return the drum motor to RULMECA for inspection.
EXCESSIVE DRUM MOTOR VIBRATION
Cause Solution
Excessive play on
mounting
Check mounting. Assemble the motor without any clearance between the support and
the shaft.
Incorrect inverter setting Check and adjust settings according to the drum motor specications.
Motor running without
belt
Run the drum motor with tted and tensioned belt.
DRUM MOTOR RUNS FASTER OR SLOWER THAN SPECIFIED
Cause Solution
Incorrect drum motor
speed ordered
Check required specications and replace drum motor
Incorrect inverter setting Check and adjust settings according to the drum motor specications.
DRUM MOTOR IS LEAKING OIL
Cause Solution
Excessive belt tension Send the drum motor back to RULMECA for inspection