SICK M4000 Advanced Manual

Operating Instructions Chapter 10
M4000 Adv., Adv. A/P, Area
8010797/PA53/27-06-05 © SICK AG • Industrial Safety Systems • Germany • All rights reserved
67
Fault diagnosis
Display Possible cause Remedying the error
 Sender
 Yellow LED fails to light
up
No operating
voltage, or voltage
too low
 Check the voltage supply and
activate, if necessary.
 Receiver or
  M4000 Advanced A/P
 Orange LED illuminated Received signal is
weak
 Check the alignment of sender
and receiver or of the M4000
Advanced A/P and the M4000
Passive.
 Check the front screen (dirt)
and clean, if necessary.
 Yellow LED flashing Reset required  Press the reset button.
 Red and
 Green
Neither the red
nor the green
LED lights up
No operating
voltage, or voltage
too low
 Check the voltage supply and
activate, if necessary.
Tab.
25
:
Error displays of the
LEDs
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SICK M4000 Advanced Specifications

General

Type	Multiple light beam safety device
Enclosure rating	IP65
Supply voltage	24 V DC
Safety integrity level	SIL3
Performance level	PL e
Protection Rating	IP65
Operating Voltage	24 V DC
Number of beams	2 to 4 beams
Resolution	70 mm
Ambient operating temperature	-25 °C ... +55 °C
Angular Resolution	Not applicable
Operating Temperature	-25 °C ... +55 °C