Fault codeA7478
EPOS: Target position > software limit switch plus when the target position is greater than the software limit switch plus during traversal. The manual's first action is: “Correct the target position.”
- Model
- Siemens SINAMICS V90, SIMOTICS S-1FL6
- Display shows
- EPOS: Target position > software limit switch plus (A7478)
- Type
- Fault code
- Source
- Manual p. 309
What A7478 means
EPOS: Target position > software limit switch plus p. 309
Common causes
- In the actual traversing operation, the target position is greater than the software limit switch plus. p. 309
What to do
Before you service the product, read the safety instructions in the manual p. 2.
If A7478 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 A7478; 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.