8
FAULT DIAGNOSIS
110
8026508 / V1-0/2021-09|SICK
O P E R A T I N G I N S T R U C T I O N S | VMS4300/5300
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. 89: Checking the CAN cabling on the SIM2000
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 the CAN cabling on the SIM2000