Siemens SINAMICS V90, SIMOTICS S-1FL6 Error F30001: Power unit: Overcurrent

Industrial motor drive · taken from the manufacturer’s manual, pages cited

Fault codeF30001

The power unit detected overcurrent, possibly from incorrect closed-loop control or improper parameters. The manual's first action is: “Check the motor data - if required, carry out commissioning.”

Model
Siemens SINAMICS V90, SIMOTICS S-1FL6
Display shows
Power unit: Overcurrent (F30001)
Type
Fault code
Source
Manual p. 299

What F30001 means

Power unit: Overcurrent p. 299

Common causes

  • The power unit has detected an overcurrent condition. p. 299
  • Closed-loop control is incorrectly parameterized. p. 299
  • Controller parameters are not proper. p. 299
  • Motor has a short-circuit or fault to ground (frame). p. 299
  • Power cables are not correctly connected. p. 299
  • Power cables exceed the maximum permissible length. p. 299
  • Power unit defective. p. 299
  • Line phase interrupted. p. 299
  • Check the external braking resistor connection. p. 299

What to do

  1. Check the motor data - if required, carry out commissioning. p. 299
  2. Modify speed loop Kp (p29120), position loop Kv (p29110). p. 299
  3. Check the motor circuit configuration (star-delta). p. 299
  4. Check the power cable connections. p. 299
  5. Check the power cables for short-circuit or ground fault. p. 299
  6. Check the length of the power cables. p. 299
  7. Replace power unit. p. 299
  8. Check the line supply phases. p. 299

Before you service the product, read the safety instructions in the manual p. 2.

If F30001 is still not resolved

  • Contact service / dealer for assistance p. 2
    “Qualified Personnel The product/system described in this documentation may be operated only by personnel qualified for the specific task in accordance with the relevant documentation, in particular its warning notices and safety instructions.”
  • Contact service / dealer for assistance p. 13
    “NOTICE Property damage due to loose power connections Insufficient tightening torques or vibration can result in loose power connections. This can result in damage due to fire, device defects or malfunctions.”
Open the manual at page 299 All SINAMICS V90, SIMOTICS S-1FL6 error codes Manual details & download

This page summarises what the manufacturer’s manual says about F30001; 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.