Fault Diagnosis; In The Event Of Faults Or Errors; Sick Support - SICK M4000 Advanced Operating Instructions Manual
Multiple light beam safety device
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Operating Instructions
M4000 Adv., Adv. A/P, Area
12
Fault diagnosis
WARNING
Note
8010797/YT72/2016-02-19
Subject to change without notice
Fault diagnosis
This chapter describes how to identify and remedy errors and malfunctions during the
operation of the M4000 multiple light beam safety device.
12.1 In the event of faults or errors
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
remedy the malfunction.
Complete function test after rectification of fault!
After rectifying a fault, perform a complete function test as per section 9.3 "Test notes".
The lockGout status
In case of certain faults or an erroneous configuration, the system can go into the lockEout
status. The 7Esegment display on the multiple light beam safety device then indicates
a defined error message (see Tab. 41).
First check whether the lockEout status is still present after switching off and on the
M4000 (e.g. by disconnecting the system plug and re-connecting).
To place the device back in operation:
Rectify the cause of the fault as per Tab. 41.
Switch the power supply for the M4000 off and on again (e.g. by unplugging the system
plug and reinserting it).
The lockEout status has the highest priority above all other indications on the 7Esegment
display.
12.2 SICK support
If you cannot remedy an error with the help of the information provided in this chapter,
please contact your local SICK representative.
© SICK AG • Industrial Safety Systems • Germany • All rights reserved
Chapter 12
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105
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Questions and answers
Installed 2 brand new M4000 light curtains. I have 24VDC across pins 7 and 2 and I do not have any lights on the sender or receiver. Looks as if I don't have power at all but I do. Ant suggestions
If the SICK M4000 Advanced light curtains are not powering on despite 24VDC across pins 7 and 2, the issue could be due to incorrect wiring, a faulty device, or missing connections required for operation (such as the test input or OSSD connections). Ensure all necessary system connections, including the test input on pin 3 and other required pins per the system connection diagram (chapter 6.1), are properly wired and functional.
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