Siemens SIMATIC ET 200L Manual page 41

Diagnostics
Introduction
The ET 200L distributed I/O device was designed to make working with and
commissioning it as simple as possible. If a failure nevertheless occurs, you
can find out what it is by means of LEDs and slave diagnostics.
Contents of the
Section
Chapter
ET 200L Distributed I/O Device
EWA-4NEB 780600902-05
5.1 Diagnostics Using the LEDs
5.2 Slave Diagnostics
Topic
5
Page
5-2
5-3
5-1