Fault codeF31111
An internal fault has been detected in the absolute encoder, indicated by set fault bits from its fault word. The manual's first action is: “Check the encoder cable connection and make sure the cables are routed in compliance with EMC.”
- Model
- Siemens SINAMICS V90, SIMOTICS S-1FL6
- Display shows
- Encoder 1: Absolute encoder internal error (F31111)
- Type
- Fault code
- Source
- Manual p. 301
What F31111 means
Encoder 1: Absolute encoder internal error p. 301
Common causes
- The absolute encoder fault word supplies fault bits that have been set. p. 301
What to do
- Check the encoder cable connection and make sure the cables are routed in compliance with EMC. p. 301
- Check the motor temperature. p. 301
- Replace the motor/encoder. p. 301
Before you service the product, read the safety instructions in the manual p. 2.
If F31111 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 F31111; 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.