Fault Diagnosis; What To Do In Case Of Faults; Sick Support; Status Indications Of The Diagnostics Leds - SICK L4000 Instrucciones De Operación

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Chapter 8
8

Fault diagnosis


WARNING

WARNING
Tab. 8: Status indications
of the LEDs
96  SICK AG • Industrial Safety Systems • Germany • All rights reserved
Fault diagnosis
This chapter describes how to identify and remedy errors and
malfunctions during the operation of the L4000 system.
8.1

What to do in case of faults

Cease operation if the cause of the malfunction has not been
clearly identified!
Stop the machine if you cannot clearly identify or allocate the error
and if you cannot safely rectify the malfunction.
Complete functional test after rectification of error!
After the rectification of an error perform a complete functional test
as defined in chapter 6.3 "Test notes".
8.2

SICK Support

If you cannot rectify an error with the help of the information provided
in this chapter, please contact your local SICK representative.
8.3

Status indications of the diagnostics LEDs

This chapter explains the meaning of the illumination of the LEDs and
how to respond.
Display
Yellow LED
Ν
Yellow on UE401
illuminates.
ν Red Neither the
and red nor the
ν Green green LED
on the
UE401 illu-
minates or
any other
LED
illuminates
Cause Rectifying the error
Reset mandatory = Press the reset button
No operating = Check the power
voltage, or
operating voltage
too low,
or
= Replace the device
device defective
Operating Instructions
L4000 system
supply and switch on
if necessary
8010009/YTA2/2016-05-02
Subject to change without notice