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11.
MAINTENANCE OR CLEANING
In order to guarantee problem-free operation, the following operations must be carried out after about 1000
opening cycles and at least once a year:
- Check all the screws to ensure that they are tight, except for the two that fix the hook which must be
loosened by ½ turn.
- Check that the wing is seated perfectly in the frame of the window; if necessary, adjust the fastening.
- Check all parts for damage and wear. If necessary, replace the damaged parts.
12.
EMERGENCY OPERATIONS OR MALFUNCTIONS
12.1. Emergency operations
First set dip2 = OFF (free) and power the lock directly, moving the hook to the OPEN stroke-end (18 or 36 mm).
12.2. Malfunctions of the device
Users are not allowed to make repairs since the user cannot repair a defective lock safely or correctly. Repairs
can be carried out only in the factory or by a qualified repair technician.
If the device is opened or tampered with, the warranty becomes null and void; therefore it's best to replace
the device or have it repaired. If the mechanism is stuck, first check to see if there is a power failure.
If problems arise during installation or operation of the device, it's advisable to evaluate the following possible
causes of malfunction.
Problem
The device does not
work.
The device is powered
but does not respond to
commands.
Strictly follow the instructions provided below.
Observe the safety standards referred to in this booklet.
Possible cause
Lack of electricity to the power
supply unit.
The power supply unit does not
supply 24V═.
Connection cable not connected or
has a detached wire.
Probable breakage of an electronic
element or the motor.
Check the presence of electricity or the
state of the automatic circuit-breaker or
safety switch.
Check that the power supply unit and
safety switch are operating properly.
Check all the electrical connections.
Contact a qualified technician or the
manufacturer's service center.
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