Absolute encoder When cyclically reading the absolute position, an excessively high difference to the incremental position was detected. Incremental encoder When the zero is passed, a deviation in the incremental position was detected. 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
- Encoder 1: Deviation position incremental/absolute too large (F31131)
- Type
- Error code
- Source
- Manual p. 302
What F31131 means
Encoder 1: Deviation position incremental/absolute too large p. 302
Common causes
- Absolute encoder When cyclically reading the absolute position, an excessively high difference to the incremental position was detected. The absolute position that was read is rejected. Limit value for the deviation: 15 pulses (60 quadrants). p. 302
- Incremental encoder When the zero is passed, a deviation in the incremental position was detected. The first zero mark passed supplies the reference point for all subsequent checks. The other zero marks must have n times the distance referred to the first zero mark. Divation in quadrants (1 pulse = 4 quadrants). p. 302
What to do
- Check that the encoder cables are routed in compliance with EMC. p. 302
- Check the plug connections. p. 302
- Replace the encoder or encoder cable. p. 302
- Check whether the coding disk is dirty or there are strong ambient magnetic fields. p. 302
Before you service the product, read the safety instructions in the manual p. 2.
If F31131 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 F31131; 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.