Siemens G120C Error A30033: Power unit: Hardware current limiting in phase W

Siemens G120C drive · taken from the manufacturer’s manual, pages cited

Fault codeA30033

Hardware current limiting has been triggered for phase W, likely due to incorrect parameterization or motor/power cable faults. The manual lists no action for this code.

Model
Siemens G120C
Display shows
Power unit: Hardware current limiting in phase W (A30033)
Type
Fault code
Source
Manual p. 737

What A30033 means

Power unit: Hardware current limiting in phase W p. 737

Common causes

  • Hardware current limit for phase W responded. The pulsing in this phase is inhibited for one pulse period. p. 737
  • - closed-loop control is incorrectly parameterized. p. 737
  • - fault in the motor or in the power cables. p. 737
  • - the power cables exceed the maximum permissible length. p. 737
  • - motor load too high p. 737
  • - power unit defective. p. 737

If A30033 is still not resolved

  • contact service / dealer p. 4
    “Warning concept This Manual contains information which you must observe to ensure your own personal safety as well as to avoid material damage.”
  • contact service / dealer p. 12
    “WARNING Danger to life if the safety instructions and residual risks are not observed”
Open the manual at page 737 All G120C error codes Manual details & download

This page summarises what the manufacturer’s manual says about A30033; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Siemens. Found a mistake? Report an error.