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TYPE OF FAULT
MALFUNCTION
The door does not move; program
blocked and alternating buzzer signal:
14 beeps with pause of 1 sec.
At power-up, after a reset or during the
movement, the automation is blocked
in both directions or makes incorrect
movements.
On reset, the problem remains and
there is an alternating buzzer signal: 5
beeps with pause of 1 sec.
Door closed and blocked: at power-up
or after a reset, the door does not move
and does not apply the reset.
Automation operating normally and
alternating buzzer signal: 7 beeps with
pause of 5 secs.
Automation operating normally and
alternating buzzer signal: 5 beeps
with pause of 5 secs. until problem is
solved.
At power-up or after a reset, the door
does not move and does not apply the
reset.
Continuous buzzer signal.
At power-up or after a reset, the door
does not move or makes unusual
movements during both self-learning
and with the radar pulses.
Continuous buzzer signal.
The automation is suddenly blocked
in random positions and engages the
electric lock. At times, it is not released,
not even after a reset command.
Continuous buzzer signal.
The door does NOT close again after
applying a normal opening cycle.
OR
The door does NOT complete the
learning cycle (started normally with the
opening) and remains open.
CONTROL NK
PROBABLE CAUSE
Motor short circuit.
Motor current overload.
Door blocked by an external element
(mechanical lock, obstacle or
similar).
Motor disconnected or faulty.
Encoder or connection cable faulty.
Automation in Night lock mode.
Electric lock prevented releasing;
the release operation fails.
Electric lock prevented from locking
the door. The user is warned that the
lock did not engage. After 5 failed
attempts, the lock is disabled; the
door is closed without being locked.
The automation still operates.
Low emergency battery unit charging
level or fault.
External RESET button open, faulty
or jammed.
Key selector not connected or with
cable disconnected.
STOP contact open, faulty or
jammed.
EMERGENCY button not released.
If this button is not installed, the
jumpering for the corresponding
NC contacts has not been applied
correctly.
RESET button and/or Key selector
connection error.
RESET button faulty: opens the NC
contact randomly.
The EMERGENCY button has
been pressed during the opening
stage and has not been released
or the jumper on the contacts for
this button has been interrupted/
disconnected.
Presence of an obstacle which
breaks the photocell beam or
photocell problem: obscured (dirty),
misaligned or faulty (if the contact
is NC); or similar problem with
RADAR.
STOP contact open, faulty or
jammed.
- 25 -
CONTROL UNIT
tab. 9 -
POSSIBLE SOLUTION
Check the connections and, if required,
replace the motor. After solving the problem,
apply a RESET.
Remove the cause of the block and apply
a RESET.
Check the connections and, if required,
send the motor and/or unit to an authorised
repair centre.
Select the operating mode required.
Release the door manually, following the
specifi c instructions for the device. After
solving the problem, apply a RESET.
If there is an electrical fault with the electric
lock, disconnect the device and apply a
reset to use the automation while the repairs
are being carried out.
Check the electric lock mechanics and
connections.
If required, replace the electric lock.
If there is an electrical fault, disconnect the
electric lock and apply a reset to end the
signal and use the automation while the
repairs are being carried out.
With the mains power ON, the battery
charging level is restored within a few
hours.
If there is a fault, replace the emergency
battery unit.
Check the state of the RESET button and
the STOP contact using a tester. If required,
restore the correct conditions.
Check that the selector is connected
correctly.
Check the state of the EMERGENCY button
(if installed). If required, restore the correct
conditions. If this button is not installed,
check the jumper on the contacts using a
tester.
Carefully check the connections made,
using the instructions as reference.
Check and reset the reset buttons installed
and the one on the control card.
Release the EMERGENCY button or
restore the jumper on the EMERGENCY
button contacts.
Eliminate any obstacles or reset the correct
photocell or radar conditions. If a fault is
probable, before replacing any parts, check
that the power supply and/or signal cable to
and from the control card is not damaged.
If required, restore the correct STOP contact
conditions.
Trouble shooting
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