Operating Instructions
– LBA63 TOLL HIGHWAYS – 2019 Version
60
The barrier does not close
The closing command is not
reaching the PLC
Inspect the state of the PLC
inputs/outputs (see Ҥ9.6 PLC
adjustment”)
Check the wiring of the closing
command
An opening command is active
Inspect the state of the PLC
inputs/outputs (see Ҥ9.7 PLC
adjustment”)
Deactivate the opening
command
A safety input is activated
(safety loop, IR cell, ultrasound
detector)
Inspect the state of the PLC
inputs/outputs (see Ҥ9.6 PLC
adjustment”)
Remove the vehicle or any
object on or in front of the
safety device.
Check the orientation of the IR
cells
If there is neither IR cell nor
ultrasound detector (both
optional), check that there is a
shunt between terminals 42
and 44 on the terminal board.
The barrier is unhinged
Hinge the barrier or check the
state of the unhinging sensor
The converter is faulty
An error message is
displayed on the converter
See Ҥ12.4 Converter error
messages”
The reduction gear is broken
Impossible to close the
barrier, even with the
power off
Contact the after-sales service
to replace the reduction gear
assembly (see Ҥ13.2
Replacing the reduction gear
assembly”)
The boom does not go back
in place automatically before
the 60° or does not unhinge
beyond that
The cylinder is broken
Contact the after-sales service
to replace the unhinging
ass
embly (see Ҥ
13.2
Replacing the unhinging
assembly”)
The barrier does not reclose
after being hinged
The unhinging sensor does not
detect the boom or is broken
Check the state of the
unhinging sensor
See Ҥ Replacing the unhinging
sensor”