Faults, Causes And Remedies - Siemens SINAMICS G115D Operating Instructions Manual
Distributed drive for conveyor technology control
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Also See for SINAMICS G115D:
- Operating instructions manual (522 pages) ,
- Operating instructions manual (600 pages)
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11.2.14
Faults, causes and remedies
Note
Faults and malfunctions that occur during the warranty period and requiring repair work on
the motor may only be remedied by Technical Support. If faults occur without a clearly
identifiable cause, Siemens AG recommends the services of the Technical Support even after
the warranty period has elapsed.
If you need the help from the Technical Support, please have the following information
ready:
• Rating plate data
• Nature and extent of the fault
• Suspected cause
Table 11- 16 Faults, causes and remedies
Faults
Bearing overheated.
Bearing noise.
Motor running unevenly.
Motor does not accel-
erate.
Motor temperature too
high.
SINAMICS G115D distributed drive
Operating Instructions, 12/2020, FW V4.7 SP13, A5E48681219B-002
Additional information on the SIMOGEAR geared motor
Causes
Too much grease in the bearing.
Bearing dirty.
Belt tension too high.
Coupling forces pull or push.
Coolant temperature outside
the permissible range.
The bearing grease has a dark
color.
Not enough grease in the
bearing.
Incorrect motor mounting.
Not enough grease in the
bearing.
Incorrect motor mounting.
Brinelling on the inner ring of
the bearing, e.g. caused when
the motor starts with a locked
bearing.
Coupling forces pull or push.
Incorrect motor mounting.
Out of balance due to belt
pulley or coupling.
Motor mounting too loose.
Opposing torque too high.
Incorrect circuit.
Incorrect circuit.
Overload.
Switching frequency too high. Observe the rated duty.
11.2 Specific data motor
Remedy
Remove excess grease.
Replace the bearings.
Reduce belt tension.
Align the motor precisely, correct the cou-
pling.
Adjust the cooling air to the appropriate
temperature.
Check for bearing currents.
Lubricate as specified by the manufacturer.
Check the motor type of construction.
Lubricate as specified by the manufacturer.
Check the motor type of construction.
Replace bearing, prevent vibration when
motor is stationary.
Align the motor precisely, correct the coupling.
Check the motor type of construction.
Balance precisely.
Check the mounting.
Check the motor torque and the load torque.
Observe the circuit diagram and rating plate.
Observe the circuit diagram and rating plate.
Compare data on the rating plate.
421
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