Siemens S5-115U Error OB255: Outputting the process I/O image of the outputs (P IQ) to the outputs (only in the case of CPU 944)

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

Error codeOB255

Outputting the process I/O image of the outputs (P IQ) to the outputs (only for CPU 944). The manual lists no action for this code.

Model
Siemens S5-115U
Display shows
OB255
Type
Error code
Source
Manual p. 194

What OB255 means

Outputting the process I/O image of the outputs (P IQ) to the outputs (only in the case of CPU 944) p. 194

If OB255 is still not resolved

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

Open the manual at page 194 All S5-115U error codes Manual details & download

This page summarises what the manufacturer’s manual says about OB255; 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.