tau D747M Notice D'installation page 19

SLOW-DOWN
To prevent the gate from shuddering at the end of its travel, you can set (through the RALL trimmer)
the slow down function for the opening and closing manoeuvres at a distance of 10 to 100 cm from
the end of travel (by rotating the trimmer clockwise the slow-down distance is increased; vice-versa,
by rotating it counter-clockwise the slow-down distance is diminished). When setting the slow-down
distance, you should take into account the weight of the gate as well as mechanical frictions.
N.B.: the A/C button on the board has the same function as the OPEN/CLOSE button.
TIMER-OPERATED OPENING AND CLOSING CYCLES
The opening and closing of the gate can be controlled through a digital timer equipped with a relay
contact on the output. The timer must be connected to terminals 12 - 14 (OPEN/CLOSE button) and
can be programmed so that, at the desired opening time, the relay contact closes until the desired
closing time (when the timer's relay contact opens, enabling the automatic closing of the gate).
N.B.: The automatic closing function must be enabled by setting Dip-switch no. 1 to ON).
1- The automation does not start
a- Check there is 230Vac power supply with the multimeter;
b- Check that the NC contacts of the card are actually normally closed (3 green LEDs on);
c- Set dip 6 (phototest) to OFF;
d- Increase the FRIZ trimmer to the limit;
e- Check that the fuses are intact with the multimeter.
2- The radio control has very little range
a- Connect the radio aerial to the terminals of the receiver card and not to terminals 13-14 of
the control card;
b- Check that the ground and the aerial signal connections have not been inverted;
c- Do not make joints to increase the length of the aerial wire;
d- Do not install the aerial in a low position or behind walls or pillars;
e- Check the state of the radio control batteries.
3- The gate opens the wrong way
Invert the motor connections on the terminal block (terminals 27 and 28 for M1; terminals 22
and 23 for M2);
TAU
Srl
MALFUNCTIONS: POSSIBLE CAUSES AND SOLUTION
D747M 19