Nice Riva Serie Instructions Et Avertissements Pour L'installation page 79

TERMINAL LEDS ON THE CONTROL UNIT
Status
L3 LED
OFF *
On
1 flash per second
2 flashes per second
LED L4
OFF
On
* Off or in 'Standby' mode.
8 4 PHOTOCELL SIGNALS
The SAFE LED is present on the PH200 photocells ("Figure 54").
which allows you to check their operating status at any time. The cause
and possible solution for each type of fault are described in the Table
20 .
SAFE LED
Status
OFF
3 fast flashes and 1 second
pause
1 very slow flash
1 slow flashing
1 fast flashing
1 very fast flashing
Always on
Meaning
All OK
All OK
The opening and closing
angles have not been learned
Opening and closing angle
learning phase in progress
All OK
All OK
Meaning
The photocell is not powered
or is faulty
Device not recognised by the
control unit
The RX is receiving an
excellent signal
The RX is receiving a good
signal
The RX is receiving a poor
signal
The RX receives a very poor
signal
The RX does not receive any
signal
Possible solution
Cycle operation.
Complete cycle operation.
Perform the opening and closing angle learning phase.
Wait for the angle learning phase to end.
SbS button not pressed.
Sbs button pressed.
54
Possible solution
Check that there is a voltage of approximately 8-12 Vdc at the photocell terminals; if
the voltage is correct, the photocell is probably faulty.
Repeat the learning procedure on the control unit. Check that all pairs of photocells
on the ECSbus have different addresses (see photocell instruction manual).
Normal operation.
Normal operation.
Normal operation, but check the TX-RX alignment and that the glass plates are
clean.
It is at the limit of normal operation, check the TX-RX alignment and that the glass
plates are clean.
Check for any obstacles between the TX and RX. Check that the LED on the TX is
flashing slowly. Check the TX-RX alignment.
TX RX
led
SAFE
Table 20
ENGLISH – 37