Alarm Indications - Cardin Elettronica PRG302E Mode D'emploi

1) Automatic
Selected by moving dip 1 to the "ON" position.
When the barrier is completely closed the dynamic command will start a complete cycle
ending with automatic reclosing. Automatic reclosing starts after the programmed pause
period has elapsed when the opening cycle has been completed or straight away after the
intervention of a photoelectric cell (the intervention of a photoelectric cell causes the pause
time to be reset). Pressing the blocking button during the pause time will inhibit automatic
reclosing.
2) Semi-automatic
Selected by moving dip 1 to the "OFF" position.
The work cycle is managed using the dynamic command. Once the boom/shutter arrives in
the completely open position the system will wait for a dynamic command (either via radio or
by pressing a button) to complete the cycle.
3) Manual
Selected by moving dip 2 to the "ON" position.
The work cycle is managed by continuously pressing the control buttons. Every interruption
(releasing the button) will cause a stop.

Alarm indications

1) Work time loaded from EEPROM is wrong
LED "L2" 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 (incor-
rect memorising).
2) Both travel limits have cut-in
The system is blocked and no operation is possible.
This situation is indicated by the periodical activation of the flashing warning lamps which
are activated for 3 second periods repeated every six seconds.
The only way to solve this problem is to check the travel limits for obstacles or damage and
then restart the system.
WORK TIME MANAGEMENT
Work time management allows the system to control the position of the boom. The follow-
ing 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 boom
may remain slightly open).
To avoid this situation proceed as follows:
1a) During programming press the button "P1"; 3 to 4 seconds before the opening cycle
has terminated (activating the opening travel limit).
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 boom does not cause this problem.
2) When power is returned after a blackout the programmer will only know the exact posi-
tion of the boom if one of the two travel limits is active. If this is not the case the pro-
grammer will consider the boom to be completely closed and will therefore only accept
an opening command.
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