Alarm Conditions - Cardin Elettronica PRG813 Manual Del Usuario

TIMER CONTROLLED TRAVEL LIMITS
The system is designed to operate without mechanical closing travel limits; the
work time management allows the system to control the position of the gates/
doors. The following points however should be taken into consideration:
1) Due to climatic variations or mechanical wear the performance of the system
can change. A work time programmed without leaving a margin of tolerance
(extra time) may not be sufficient to complete the manoeuvre (in other words,
over a period of time the gate/door may remain slightly open)
To avoid this situation proceed as follows:
1a) During programming keep the motor under tension for a couple of
seconds after the mechanical opening direction travel limit has cut-in
(not more than four seconds).
1b) The programmer automatically allows for a 3 second increase in order
to guarantee that during repeated travel direction inversion manoeuvres
the forcing movement of the gate/door does not cause this problem.
Example: with the gate/door completely open
Command sequence: the gate closes for 1 second then opens
Result: the gate moves in the closing direction for 1 second
and in the opening direction for 1 + 3 seconds, so the motor
remains under power for 3 seconds after the gate is completely
open.
2) During blackouts the programmer will lose the position of the gate/door.
The work times are programmed in this transitory phase in such a way
as to guarantee the complete opening of the door and successively
complete closing.
Attention: To enable this situation; when the system is restarted with the
door not completely closed the motor will be kept under tension (for longer
than normally necessary) during the first cycle.
This remains valid until the cycle has been completed and the door is
completely closed. At this point the programmer will once again know the
exact position of the door.

ALARM CONDITIONS

1) Work times loaded from EEPROM are incorrect
LED "L1" will flash and the system remains blocked:
The only way to solve this situation is to enter the program mode and reprogram
the system. If the problem persists after reprogramming, the EEPROM will have
to be replaced (incorrect memorising).
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