8 FAULT DIAGNOSIS
8026364 / V1-0/2022-03|SICK
SUPPLEMENTARY OPERATING INSTRUCTIONS | VMS4200/5200
Subject to change without notice
8.2.3 Checking the CAN cabling
If the CAN is cabled correctly, the ACT LED in the CAN terminal block lights up dimly
during operation.
If the conveyor belt is switched off, the LED should flicker if the CAN cabling is correct.
Fig. 79: Checking CAN cabling on the SIM2000-2 Prime
Fault indication
The LED lights up brightly like the others. There is a problem with the CAN connection.
Fault cause Possible solution to the problem
The wires have been swapped
Connect the CAN cables in accordance with
the electrical diagram.
Wire is not correctly attached in the
terminal block.
Check that the wires are attached correctly.
Terminator is defective
Replace the terminator.
Tab. 24: Checking CAN cabling on the SIM2000-2 Prime
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