Operating Instructions
– LBA63 TOLL HIGHWAYS – 2019 Version
59
o
End stops
o
Position sensors
•
Check of the internal state of the unhinging system
o
Hardware
o
Cylinder
o
Unhinging sensor (cable, sensor)
o
Plastic sleeve
•
Checking that all the hardware including the ground
fixing and the accessories are tightened
•
Checking the connectors on the control panel or PLC
•
Checking the general state of the control panel
•
Tightening wires, good contact in the terminals
•
Checking the frequency converter (self-calibrating)
Annual
•
Checking that safety components are working properly
(magnetic loop, cell, ultrasound, etc.)
•
Checking that locking components are working properly
(suction strip, internal locking, etc.)
•
Checking that the disconnector is working properly
•
Greasing the entire compensation system (chain, quick
coupling and spring) to prevent oxidation
•
Checking the state of the compensation system (quick-
release fastener, lock nut tightening, etc.)
17 Malfunctions
17.1 Frequent failures and adjustments
Here is a table of frequent failures and adjustments:
Failure
Possible cause(s)
Fault remedying
The barrier does not open
The opening command is not
reaching the PLC
Inspect the state of the PLC
inputs/outputs (see Ҥ9.6 PLC
adjustment”)
Check the wiring of the opening
command (or of the free
opening loop)
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 open 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”)