Lenze DISCO−Variable speed drive Manual de usuario Pagina 28

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Troubleshooting and fault elimination8
l
28
BA 11.5032−EN 3.0
8 Troubleshooting and fault elimination
Fault Possible cause Remedy
Drive does not start
Voltage supply interrupted
Check connection
Faulty electrical connection Check that supply voltage matches
nameplate data
Excessive load Reduce load
Check drive−machine assignment
Motor runs, gearbox does not
Coupling components are missing or
defective
Check mounting
Gearbox is defective Inform Lenze Service
Unusual running noise
Overload Reduce load
Check drive−machine assignment
Damage to the gearbox or motor Inform Lenze Service
Excessive temperature
Overload Reduce load
Check drive−machine assignment
Inadequate heat dissipation Improve cooling air flow
Clean gearbox/motor
Lack of lubricant Top up lubricant according to regulations
Loose fixing elements Vibrations Avoid vibrations
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