Fault codeF7491
The STOP cam minus was reached, indicating incorrect wiring for positive direction. The manual's first action is: “Leave the STOP cam minus in the positive traversing direction and return the axis to the valid traversing range.”
- Model
- Siemens SINAMICS V90, SIMOTICS S-1FL6
- Display shows
- STOP cam minus reached (F7491)
- Type
- Fault code
- Source
- Manual p. 296
What F7491 means
STOP cam minus reached p. 296
Common causes
- The STOP cam minus was reached. For a positive traversing direction, the STOP cam minus was reached; i.e. the wiring of the STOP cam is incorrect. p. 296
What to do
- Leave the STOP cam minus in the positive traversing direction and return the axis to the valid traversing range. p. 296
- Check the wiring of the STOP cam. p. 296
Before you service the product, read the safety instructions in the manual p. 2.
If F7491 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.”
This page summarises what the manufacturer’s manual says about F7491; 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.