Operating instructions
– LBA4/6/7 – 2017 Version
60
between terminals 42 and 44 of
the terminal board
The variable speed drive is
faulty
An error message is
displayed on the variable
speed drive
See Ҥ12.4 Variable speed
drive error messages”
The reduction gear is broken
Closing the barrier is
impossible, even when
switched off
Contact the After-Sales Service
to replace the geared motor
unit (see Ҥ 13.2 Replacement
of the geared motor unit”)
The crank is not put back in
place (LBA 4/6/7)
Put the crank back in its place
on the side of the board
The barrier closes when a
vehicle is in front of the IR
sensor (or ultrasonic sensor)
or over the safety loop
The vehicle is not detected
Check the wiring of the safety
component in question
The barrier does not close
after passage over the safety
loop
Closing after passage is not
activated
Activate the closing after
passage by creating a shunt
between terminals 7
and 8 of
the terminal board
The barrier does not close
after the time delay
Closing after time delay is not
activated
Activate the closing after time
delay by creating a shunt
between terminals 9
and 10 of
the terminal board
The barrier does not stay
open
Automatic closing (after
passage or after time delay) is
activated
Remove the shunt(s) between
terminal 7, 8, 9 and 10 of the
terminal board
The barrier does not open
automatically due to no
voltage (LBA6R/63PK/7R/74)
The counterbalance is not
strong enough
Increase the counterbalance
See Ҥ 9.4 Adjustment of
the counterbalance”
The barrier does not reach
the horizontal position
The counterbalance is too
strong (LBA6R/63PK/7R/74)
Reduce the counterbalance
See Ҥ 9.4 Adjustment of
the counterbalance”
The holding speed must be
delayed slightly to reach the
closing stop
(LBA6R/63PK/7R/74)
Increase parameter 00.022 of
the variable speed drive
See Ҥ 9.5 Variable
frequency drive setting”