Siemens S5-115U Error 03

Siemens S5-115U Programmable Controller · taken from the manufacturer’s manual, pages cited

Error code03

A block identifier has syntax errors or refers to an unknown identifier, specifically related to SL1: SINEC-L1 for the Siemens S5-115U. The manual lists no action for this code.

Model
Siemens S5-115U
Display shows
03
Type
Error code
Source
Manual p. 424

What 03 means

Block identifier syntax error or identifier unknown p. 424

Common causes

  • Block identifier syntax error or identifier unknown p. 424
  • SL1: SINEC-L1 p. 424

If 03 is still not resolved

The manual gives no further instruction for this code. Open the code table in the PDF or contact Siemens service.

This page summarises what the manufacturer’s manual says about 03; 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.