Fault Diagnosis; Sick Support; Error Displays Of The Leds - SICK C 4000 Operating Instructions Manual

Operating Instructions
C 4000
WARNING
Tab. 13: Error displays of
the LEDs
40
© SICK AG • Safety Systems • Germany • All rights reserved

Fault diagnosis

9
Fault diagnosis
This chapter describes how to identify and remedy errors and malfunctions during the op-
eration of the safety light curtain.
9.1 What to do in case of faults
No 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
remedy the malfunction.
9.2

SICK Support

If you cannot remedy an error with the help of the information provided in this chapter,
please contact your local SICK agency.
9.3

Error displays of the LEDs

This chapter explains the meaning of the error displays of the LEDS and how to respond.
Please refer to the description in the chapter "Indicator elements" on page 20.
Display
Orange LED of receiver
!
lights up
Yellow LED of receiver
#
flashes
Yellow LED of sender fails to
)
light up
Neither the red nor the
)
green receiver LED lights up
Cause Remedying the error
Weak signal % Check the alignment of
sender and receiver.
% Check the front screen (dirt)
and clean, if necessary
Reset required % Press the reset button.
No operating volt- % Check the voltage supply and
age, or voltage too activate, if necessary.
low
Chapter 9
8 009 221/L057/15-03-01