Fault Diagnosis; What To Do In Case Of Faults; Sick Support; Status Indications Of The Diagnostics Leds - SICK L 4000 Manual De Instrucciones

Operating Instructions
L 4000 system
8

Fault diagnosis

WARNING
WARNING
Tab.8: Status indications
of the LEDs
8010009/TI69/2009-11-26
Fault diagnosis
This chapter describes how to identify and remedy errors and mal-
functions during the operation of the L 4000 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
Yellow on UE 401
illuminates.
Red
Neither the
and red nor the
green LED
Green on the
UE 401 illu-
minates or
any other
LED illumi-
nates
© SICK AG • Industrial Safety Systems • Germany • All rights reserved
Cause Rectifying the error
Reset mandatory
No operating volt-
age, or operating
voltage too low,
or
device defective
Chapter 8
Press the reset button
Check the power sup-
ply and switch on if
necessary
Replace the device
315