English –
21
7.7.2) Signals on the control unit
On the RB250/500 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.
29
BLUEBUS LED
Cause
ACTION
STOP LED
Cause
ACTION
STEP-BY-STEP LED
Cause
ACTION
OPEN LED
Cause
ACTION
Off
ACTION
Table 22: LED’s on the control unit’s terminals
Malfunction
Make sure there is power supply; check to see if the fuses are blown; if necessary, identify the rea-
son for the failure and then replace the fuses with others having the same characteristics replaced
On
Serious malfunction
There is a serious malfunction; try switching off the control unit for a few seconds; if the con-
dition 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 quick flashes
The status of the inputs has
changed
This is normal when there is a change in one of the inputs: STEP-BY-STEP, STOP,
OPEN, CLOSE, triggering of photocells or the radio transmitter is used
Series of flashes separated by
a second's pause
Miscellaneous
It corresponds to the flashing light's signal. See table n° 21.
Off
ACTION
Activation of the STOP input
Check the devices connected to the STOP input
On
Everything OK
STOP Input active
Off
Everything OK
input not active
On
Off
Activation of the STEP-BY-STEP input
Everything OK
This is normal if the device connected to the STEP-BY-STEP input is actually active
OPEN input not active
On
Activation of the OPEN input
This is normal if the device connected to the OPEN input is actually active
CLOSE LED
Cause
ACTION
Off
Everything OK
CLOSE input not active
On
Activation of the CLOSE input
This is normal if the device connected to the CLOSE input is actually active
7.7.1) Flashing light signalling
During the manoeuvre the flashing light FLASH flashes once every second. When something is wrong the flashes are more frequent; the light fla-
shes twice with a second's pause between flashes.
6 flashes
1 second’s pause
6 flashes
At the starting of the manoeuvre, the devices connected to BLUEBUS do not cor-
respond to those recognized during the recognition phase. One or more devices
may be faulty; check and, if necessary, replace them; in case of modifications re-
peat the recognition process (7.3.4 Recognition of Other Devices).
Table 21: FLASH flashing light signalling
Quick flashes
Cause
ACTION
1 flash
1 second’s pause
1 flash
BlueBUS error
2 flashes
1 second’s pause
2 flashes
Triggering of a photocell
At the starting of the manoeuvre, one or more photocells do not enable it; check
to see if there are any obstacles.
This is normal when there is an obstacle impeding the movement.
3 flashes
1 second’s pause
3 flashes
Activation of the “motor
force” limiting device
During the movement, the gate experienced excessive friction; identify the cause.
4 flashes
1 second’s pause
4 flashes
Activation of the STOP input
At the starting of the manoeuvre or during the movement, the STOP input was
activated; identify the cause
5 flashes
1 second’s pause
5 flashes
Error in the internal parameters
of the electronic control unit
Wait at least 30 seconds, then try giving a command. if the condition persists it
means there is a malfunction and the electronic board has to be replaced
The maximum manoeuvre
limit/hour has been excee-
ded.
Wait for a few minutes until the manoeuvre limiting device drops to under the
maximum limit
7 flashes
1 second’s pause
7 flashes
8 flashes
1 second’s pause
8 flashes
here is an error in the internal
electric circuits
A command that does not per-
mit other commands to be
performed is already present.
Disconnect all the power circuits for a few seconds and then try to give the com-
mand again. if the condition persists it means there is a serious malfunction and
the electronic board has to be replaced
Check the type of command that is always present; for example, it could be a
command from a timer on the “open” input.
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