No reference point is set when starting a traversing block or direct setpoint input, causing this alarm to trigger. The manual's first action is: “Reference the system (search for reference, flying referencing, set reference point).”
- Model
- Siemens SINAMICS V90, SIMOTICS S-1FL6
- Display shows
- A7481
- Type
- Alarm code
- Source
- Manual p. 308
What A7481 means
When starting a traversing block/direct setpoint input, a reference point is not set. p. 308
Common causes
- When starting a traversing block/direct setpoint input, a reference point is not set. p. 308
What to do
- Reference the system (search for reference, flying referencing, set reference point). p. 308
Before you service the product, read the safety instructions in the manual p. 2.
If A7481 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 A7481; 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.
