Operating Instructions MxxMA-MxERA Three-phase AC ... - Lenze

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9 Troubleshooting and fault elimination Fault Incorrect direction of rotation of the motor, correct display on the controller Motor rotates normally but does not generates the expected torque Motor rotates in one direction at maximum speed in an uncontrolled manner Motor rotates slowly in one direction and cannot be influenced by the drive controller Unsteady running Vibrations Cause Motor cable polarity is reversed Encoder cable polarity is reversed Motor cable interchanged cyclically Motor cable interchanged cyclically Polarity of encoder cable reversed Polarity of motor cable and encoder cable reversed Shielding of motor cable or resolve cable inadequate Gain of the drive controller too high Insufficiently balancing of coupling elements or machine Inadequate alignment of drive train Loose fixing screws Remedy Check and correct polarity Connect the <strong>phase</strong>s at the motor cable connection correctly Check motor connection and, if necessary, correct it Check encoder connection and, if necessary, correct it Check the polarity and correct it Check shielding and earth connection Adapt gain of the controller (see operating instructions for drive controller) Rebalance Realign machine, if necessary, check foundation Check screwed connections and tighten them if necessary Running noises Foreign particles inside the motor Repair by manufacturer if necessary Bearing damage Surface Overload of the drive Check overload and reduce through longer acceleration temperature > 140°C times, if necessary Check winding temperature Heat dissipation impeded by dirt Clean surface and cooling ribs of the drives deposits 58 BA 33.0005−EN 2.0
Notes BA 33.0005−EN 2.0 59
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BA 33.0005−EN .J), L−force Ä.J
Page 3 and 4:
Contents i 1 About this documentati
Page 5 and 6:
About this documentation 1 1 About
Page 7 and 8: About this documentation Notes used
Page 9 and 10: Safety instructions General safety
Page 11 and 12: Safety instructions Application as
Page 13 and 14: Product description Identification
Page 25 and 26: Mechanical installation Important n
Page 27 and 28: Mechanical installation Preparation
Page 29 and 30: Mechanical installation Spring−ap
Page 31 and 32: Mechanical installation Spring−ap
Page 33 and 34: Electrical installation Three−pha
Page 35 and 36: Electrical installation Wiring acco
Page 37 and 38: Electrical installation Plug connec
Page 39 and 40: Electrical installation Plug connec
Page 41 and 42: Electrical installation Terminal bo
Page 43 and 44: Commissioning and operation Functio
Page 45 and 46: Maintenance/repair Maintenance inte
Page 47 and 48: Maintenance/repair Maintenance oper
Page 49 and 50: Maintenance/repair Maintenance oper
Page 51 and 52: Maintenance/repair Installation of
Page 53 and 54: Maintenance/repair Installation of
Page 55 and 56: Maintenance/repair Repair Assembly
Page 57: Troubleshooting and fault eliminati
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Operating Instructions MxxMA-MxERA Three-phase AC ... - Lenze

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