Siemens S5-115U Error 99: ERT: Error return

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

Error code99

An error return code (ERT) has been triggered, indicating an unspecified or unattributable fault in the Siemens S5-115U. The manual lists no action for this code.

Model: Siemens S5-115U
Display shows: ERT: Error return (99)
Type: Error code
Source: Manual p. 424

Meaning
Common causes
Still not solved
Source

What 99 means

ERT: Error return p. 424

Common causes

ERT: Error return p. 424

If 99 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 424 All S5-115U error codes Manual details & download

This page summarises what the manufacturer’s manual says about 99; 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.