WG20 Instructions 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 70
5.6.3
Control Unit
D
E
F
C
B
A
Table 15
ECSBus LED [A ]
Status
Action
Off
Malfunction
Make sure there is power supply; check to see if there are blown fuses;
identify 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
seconds; if the condition persists it means there is a malfunction and the
electronic 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 light's signal. See Table 14
Quick flash
Short circuit on ECSBus
An overload has been detected and therefore the power supply to the
ECSbus has been interrupted. Check by disconnecting the devices one by
one, if necessary.To restore the power supply to the ECSBus just give the
command using the radio transmitter, for example.
STOP LED [ B ]
Status
Action
Off
Cutting in of the STOP input
Check the devices connected to the STOP input
On
Everything OK
STOP input active
OPEN LED [ C ]
Status
Action
Off
Everything OK
OPEN input not active
On
Cuttin in of the OPEN input
This is normal only if the device connected to the OPEN input is actually
active
P1 LED [ D ]
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
5 quick flashes
Deletion OK
Deletion of one transmitter successful.
1 slow flash
Wrong command
A command from a non-memorized transmitter has been received
3 slow flashes
Memorization OK
Memorization process successful.
5 slow flashes
Deletion OK
Deletion of all transmitters successful.
P2 LED [ E ]
Status
Action
Off
Everything OK
“Slow" speed selected
On
Everything OK
“Fast" speed selected
1 flash every second
No device has been memorized or an
error has occurred during the
recognition process
There may be faulty devices; check and, if necessary, try repeating the
recognition process (see paragraph 3.5.1 "Learning of Connected Devices")
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)
P3 LED [F ]
Status
Action
Off
Everything OK
Single cyclic operation
On
Everything OK
Complete cyclic operation
1 flash every second
No opening angle has been
memorized
Carry out the recognition stage (see paragraph "3.5.2 recognition of Leaves'
Opening and Closing Angles")
2 flashes every second
Recognitionof opening angles in
progress
It indicates that the recognition of the opening angles is under way