Faults, Causes And Remedies - Siemens SINAMICS G115D Operating Instructions Manual
Distributed drive
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Also See for SINAMICS G115D:
- Operating instructions manual (552 pages) ,
- Operating instructions manual (600 pages)
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Additional information on the SIMOGEAR geared motor
11.2 Specific data motor
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 uneven-
ly.
Motor does not accel-
erate.
Motor temperature too
high.
388
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. Check for bearing currents.
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.
Operating Instructions, 09/2020, FW V4.7 SP13, A5E48681219B
Remedy
Remove excess grease.
Replace the bearings.
Reduce belt tension.
Align the motor precisely, correct the
coupling.
Adjust the cooling air to the appropri-
ate temperature.
Lubricate as specified by the manufac-
turer.
Check the motor type of construction.
Lubricate as specified by the manufac-
turer.
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.
SINAMICS G115D distributed drive
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