Siemens SINAMICS G115D

Faults Causes Remedy
Motor temperature too
high.
Incorrect circuit. Observe the circuit diagram and rating
plate.
Overload. Compare data on the rating plate.
Switching frequency too high. Observe the rated duty.
Insu󹪟cient ventilation. Check the cooling air ducts, check the
direction of rotation
Cooling air ducts dirty. Clean cooling air ducts.
Coolant temperature outside the
permissible range.
Adjust the cooling air to the appropriate
temperature.
Signi󹪝cant drop in
speed.
Opposing torque too high. Check the motor torque and the load
torque.
Line voltage too low. Check the line supply.
Phase interruption. Check the connection to the line supply.
Incorrect circuit. Observe the circuit diagram and rating
plate.
Overload. Compare data on the rating plate.
Protective equipment
trips.
Phase interruption. Check the connection to the line supply.
Incorrect circuit. Observe the circuit diagram and rating
plate.
Overload. Compare data on the rating plate.
Switching frequency too high. Observe the rated duty.
Winding and terminal short-circuit. Measure the insulation resistance.
Starting time is exceeded. Check the run-up conditions.
12.2.15 General notes about maintenance
WARNING
Unintentional starting of the drive unit
Secure the drive unit to prevent it from being started up unintentionally.
Attach a warning notice to the start switch.
NOTICE
Improper maintenance
Only authorized quali󹪝ed personnel may perform the maintenance and servicing. It is only
permissible to install original parts supplied by Siemens.
Only quali󹪝ed personnel may perform the inspection, maintenance and servicing work. Note
the information in the general notes and safety information (Page447).
Additional information on the SIMOGEAR geared motor
12.2Speci󹪝c data motor
SINAMICS G115D Wall Mounted distributed drive
464 Operating Instructions, 07/2023, FW V4.7 SP14, A5E52808211A AA