Instructions GD0 25
On the control unit there is a set of LED’s each of which can give special indications both during normal operation and in case of malfunctions.
Figure 75
5.6.3
Control Unit
C
E
B
A
Table 13
OK LED [A]
Status
Action
Off
Malfunction
Make sure there is power supply; check to see if there are blown fuses; iden-
tify the cause of the malfunction and then replace blown fuses with others
having the same characteristics.
On
Serious malfunction
There is a serious malfunction; try switching off the control unit for a few sec-
onds; if the condition persists it means there is a malfunction and the elec-
tronic board has to be replaced.
One flash every second
Everything OK
Normal operation of control unit
2 long flashes
The status of the inputs has changed
This is normal when there is a change in one of the inputs: OPEN, STOP,
triggering of photocells or the radio transmitter is used.
Series of flashes separated by a
pause
It corresponds to the flashing and courtesy light's signal. (See Table 12)
LED STOP [B]
Status
Action
Off
Cutting in of the STOP input
Check the devices connected to the STOP input
On
Everything OK
STOP input active
LED P1 [C]
Status
Action
Off
Everything OK
No memorization in progress
On
Memorization in Mode 1
This is normal during memorization in mode 1 which lasts maximum 10s
Series of quick flashes, from 1 to 4
Memorization in Mode 2
This is normal during memorization in mode 2 which lasts maximum 10s
One flash every second
No device has been memorized or an
error has occurred in the memorised
devices
There may be faulty devices; check and, if necessary, try repeating the
recognition process (see paragraph 3.5.1 “Recognition of door's opening
and closing positions”).
LED P2 [D]
Status
Action
Off
Everything OK
“Slow” speed selected
On
Everything OK
“Fast” speed selected
One flash every second
The recognition phase has not been
performed or there is a data error in
the memory
Repeat the position recognition procedure again (see paragraph 3.5.1.
“Recognition of the door's open and closed positions”)
2 flashes per second
Device recognition stage in progress
It indicates that the search for the connected devices is under way (this stage
lasts a few seconds at the most)
One flash every second
The recognition phase has not been
performed or there is a data error in
the memory
Repeat the position recognition procedure again (see paragraph 3.5.1.
“Recognition of the door's open and closed positions”)
2 flashes every second
position recognition procedure in progress
LED P3 [E]
Status
Action
Off
Everything OK
Cyclic operation
On
Everything OK
Complete cyclic operation
D