tau D770M Manuel D'emploi Et D'installation page 21

LED: DL7 (green) + DL8
Leds DL7 and DL8 displays any mistakes with a series of pre-set flashes:
Key: led always on;
/ Alternate flashing (green/red):
/ Simultaneous fast flashing
(green/red)
/ No. 8 flashes (green/red):
LED: DL7 (green) + DL8
1 flash every 4 seconds (green):
Apart from the logic mistakes, the DL7 LED indicates also the status of the control unit during the sav-
ing of the radio controls.
Always on (green):
Fast flashing (green):
Flashing (green):
Led off:
LED: DL8 (red) + DL7
Led off:
1 flash (red):
7 flashes (red):
8 flashes (red):
Apart from the logic mistakes, the DL8 LED indicates also the status of the control unit during the sav-
ing of the radio controls.
Always on (red):
Fast flashing (red):
Flashing (Rosso):
Led off:
12. MALFUNCTIONS: POSSIBLE CAUSES AND SOLUTION
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 (4 green LEDs on: DL3, DL4, DL5, DL6);
c- Set dip 6 (phototest) to OFF;
d- Check that the fuses are intact with the multimeter.
(red)
led flashing;
Saving to be performed;
Saving in progress;
Eeprom data error;
Perform procedure RADIO MEMORY RESET;
(red led always off)
Normal operation;
Channel CH1 waiting to be saved;
CH1 channel memory full;
CH1 channel waiting to be cancelled;
Cancelling of channel CH1 in progress;
(green led always off)
Normal operation;
Phototest error
Disable phototest (dip-switch 6 OFF), check the operation of the
photocells and their connection;
Sensitive edge safety intervention
A command pulse is required to carry out the closure;
Eeprom external memory fault;
Replace the external memory module;
Channel CH2 waiting to be saved;
CH2 channel memory full;
CH2 channel waiting to be cancelled;
cancelling of channel CH2 in progress;
led off;
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