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MGV20M - L
ENGLISH
9.2 Traction/return sheave
Periodically, at least once a year, check the wear of the grooves in the traction
sheave.
In case of slipping ropes or excessive wear, contact Montanari Giulio & C. for
replacement instructions, always indicating the serial number.
9.3 Replacement of components
Instructions for the replacement of any component must be requested each
time from the technical department specifying the serial number.
9.4 Problems, causes and solutions
Diagnostic Table
Problems
Causes
Solutions
The motor does not work
Motor phases are connected in the
wrong way
Check the connection condition of
the motor phases
Wrong inverter configuration
Check the inverter settings
Inverter defective
Replace the device
Brake faulty
See below
Motor mechanically locked
Contact Montanari Giulio & C.
Motor connections loosened
Tighten the connections of the
machine controller.
Excessive temperature
See below
Brake system not working
Brake power supply wrong
Check the correct supply voltage
of the brake coil.
Brake system defective
Contact Montanari Giulio & C.
Excessive temperature
Cooling fan not working.
Replace the fan
Cooling fan not correctly
connected.
Check the voltage of the cooling
fan. (230 V ac)
PTC sensor defective
Contact Montanari Giulio & C.
Wrong inverter settings
Check the inverter settings
Noise while travelling
Alignment of the motor with the
deflection sheave incorrect.
Check and correct the alignment.
Encoder defective
Replace encoder
Wrong inverter settings
Check the inverter settings
Bearing defective
Contact Montanari Giulio & C.
Tab. 8
