Siemens SINAMICS V90, SIMOTICS S-1FL6 Error F31110: Serial communications error

Industrial motor drive · taken from the manufacturer’s manual, pages cited

Fault codeF31110

A serial communication error occurred between the encoder and evaluation module during protocol transfer. The manual's first action is: “Check the encoder cable and shielding connection.”

Model
Siemens SINAMICS V90, SIMOTICS S-1FL6
Display shows
Serial communications error (F31110)
Type
Fault code
Source
Manual p. 301

What F31110 means

Serial communications error p. 301

Common causes

  • Serial communication protocol transfer error between the encoder and evaluation module. p. 301

What to do

  1. Check the encoder cable and shielding connection. p. 301
  2. Replace the encoder cable/encoder. p. 301

Before you service the product, read the safety instructions in the manual p. 2.

If F31110 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.”
Open the manual at page 301 All SINAMICS V90, SIMOTICS S-1FL6 error codes Manual details & download

This page summarises what the manufacturer’s manual says about F31110; 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.