Troubleshooting steps
Verify load conditions check motor parameters test encoder verify feedback wiring
Siemens VFD
F30052 – Speed deviation
Actual speed deviates from setpoint
Details
Measured motor speed does not match commanded speed within tolerance.
Error typefault
MeaningSpeed deviation
Typical causesLoad too high incorrect motor parameters encoder fault feedback loss
SolutionsVerify load conditions check motor parameters test encoder verify feedback wiring
Severitymedium
Catalog references
Vendor Information
SiemensF30052
Utilities
Troubleshooting Steps
Other codes
Other Siemens VFD Codes
F30001 – Overcurrent fault
Overcurrent detected during motor operation
F30002 – Overvoltage fault
DC bus voltage too high
F30003 – Undervoltage fault
DC bus voltage too low
F30011 – Motor overtemperature fault
Motor temperature exceeds safe limit
F30012 – Drive overtemperature fault
Drive unit temperature too high
FAQ
Common questions
Do I need an encoder?
Not always. Some drives use sensorless control but encoder improves accuracy.