Alarm codeA7455
The maximum velocity parameter is too high, preventing correct modulo correction calculation for EPOS operation. The manual's first action is: “Reduce the maximum velocity (p2571).”
- Model
- Siemens SINAMICS V90, SIMOTICS S-1FL6
- Display shows
- EPOS: Maximum velocity Limited (A7455)
- Type
- Alarm code
- Source
- Manual p. 307
What A7455 means
EPOS: Maximum velocity Limited p. 307
Common causes
- The maximum velocity (p2571) is too high to correctly calculate the modulo correction. p. 307
What to do
- Reduce the maximum velocity (p2571). p. 307
Before you service the product, read the safety instructions in the manual p. 2.
If A7455 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 A7455; 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.
