Fault codeF31101
The encoder failed to detect a valid zero mark, exceeding 1.5 times the parameterized distance. The manual's first action is: “Check that the encoder cables are routed in compliance with EMC.”
- Model
- Siemens SINAMICS V90, SIMOTICS S-1FL6
- Display shows
- Zero mark failed (F31101)
- Type
- Fault code
- Source
- Manual p. 301
What F31101 means
Zero mark failed p. 301
Common causes
- The 1.5 x parameterized zero mark distance was exceeded. p. 301
What to do
- Check that the encoder cables are routed in compliance with EMC. p. 301
- Check the plug connections. p. 301
- Replace the encoder or encoder cable. p. 301
Before you service the product, read the safety instructions in the manual p. 2.
If F31101 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 F31101; 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.