Fig. N
Fig.O
19
Fig.P
MAINTENANCE
a)
The LIBRA and LIBRA PLUS automation models for garage doors are low environmental
impact products. Under normal use, just a minimal maintenance is required.
b)
Before starting the operation check that drive sytem slides fluently (unlock the trolley
clutch, open and close the door manually).
c)
Periodically check that door opens and closes at the correct heights and that springs have
sufficient thrust to lift the door. Lubricate mechanical gears regularly if necessary.
If power failure occurs the door will behave as follows:
During blackout the
door stops
When power is restored,
give a start command
with the transmitter.
The door starts closing.
Reaches the limit switch in
closing and stops.
In case of power cut, the door can be opened and closed manually, just unlocking the trolley
clutch (pag.7).
rev0
2
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