Service Support; Servicing; Online Diagnostics - Siemens SIMATIC S7-4100 Equipment Manual

5.3

Service support

5.3.1

Servicing

This section provides you with information about the service actions for the controller.
Effects of off/on, memory reset, reset
• Memory reset
The memory reset of the CPU is only possible in online mode via the engineering station.
• Reset to factory settings
Resetting to factory settings is possible:
– On the CPU via the "RES" button (reset button)
– Via the online diagnostics functions
You can find information about this and the system-wide effects in the following
documentation:
SIMATIC S7-4100, controller (Page 53)
Functions in online diagnostics
• Read out the diagnostics buffer
• Perform firmware update
• Read out service data
• Reset to factory settings
For information on this:
Online diagnostics (Page 41)
5.3.2

Online diagnostics

Definition
If online diagnostics is enabled in the engineering, respective register service actions are
possible.
CPU 4168-H
Equipment Manual, 11/2022, A5E51584364-AA
Diagnostic options and service support
5.3 Service support
41