Siemens S5-115U Error QVZ: Time-out from I/Os: A nonexistent module has been referenced.

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

Error codeQVZ

Time-out from I/Os due to referencing a nonexistent module or unacknowledged I/O module. The manual's first action is: “Correct the program error or replace the I/O module.”

Model
Siemens S5-115U
Display shows
QVZ
Type
Error code
Source
Manual p. 139

What QVZ means

Time-out from I/Os: A nonexistent module has been referenced. p. 139

Common causes

  • - Time-out from I/Os: - A peripheral byte that was not addressed has been referenced in the program. - An I/O module does not acknowledge. p. 139
  • Time-out from I/Os: A nonexistent module has been referenced. p. 139

What to do

  1. Correct the program error or replace the I/O module. p. 139

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

If QVZ 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 139 All S5-115U error codes Manual details & download

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