Encoder 1: Absolute encoder signals Internal alarms because the absolute encoder fault word includes set alarm bits. 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 signals Internal alarms (A31411)
- Type
- Fault code
- Source
- Manual p. 312
What A31411 means
Encoder 1: Absolute encoder signals Internal alarms p. 312
Common causes
- The absolute encoder fault word includes alarm bits that have been set. p. 312
What to do
- Check the encoder cable connection and make sure the cables are routed in compliance with EMC. p. 312
- Check the motor temperature. p. 312
- Replace the motor/encoder. p. 312
Before you service the product, read the safety instructions in the manual p. 2.
If A31411 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 A31411; 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.
