Siemens S5-115U Error NINEU: Cold Restart not possible

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

Error codeNINEU

Cold Restart not possible due to a faulty block from power failure or program error. The manual's first action is: “Perform an Overall Reset. Reload the program.”

Model
Siemens S5-115U
Display shows
Cold Restart not possible (NINEU)
Type
Error code
Source
Manual p. 138

What NINEU means

Cold Restart not possible p. 138

Common causes

  • Faulty block: • Compressing has been interrupted by a power failure. • Block transfer between programmer and PLC was interrupted by a power failure. • Program error (TIR/TNB/BMW) p. 138
  • Cold Restart not possible p. 138

What to do

  1. Perform an Overall Reset. Reload the program. p. 138

Before you service the product, read the safety instructions in the manual p. 414.

If NINEU 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 138 All S5-115U error codes Manual details & download

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