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TABLE 11 - Signals given by LEDs on control unit (fig. 7)
Led
State
Problem
Solution
BLUEBUS
Always off
Fault
Check that the control unit is powered. Check that the fuses have not blown: if they
have, check the cause of the fault and replace with others with the same value.
Always on
Serious fault
A serious fault has occurred: try disconnecting electrical power from the control
unit. If the problem persists it will be necessary to replace the electronic board.
1 flash per second
Everything normal
Control unit works correctly.
2 quick flashes
Input status variation
Normal if one of the inputs (PP, STOP, OPEN, CLOSE) changes: photocells acti-
vated or a command given via a transmitter.
Series of flashes separated
by one second pause
Various
Refer to Table 10.
STOP
Always off
Activation of the devices connected to the STOP
input
Check the devices connected to the STOP input.
Always on
Everything normal
STOP input active.
P.P.
Always off
Everything normal
P.P. input not active.
Always on
P.P. input activation
Normal if the device connected to the P.P. input is active.
OPEN
Always off
Everything normal
OPEN input not active.
Always on
OPEN input activation
Normal if the device connected to the OPEN input is active.
CLOSE
Always off
Everything normal
CLOSE input not active.
Always on
CLOSE input activation
Normal if the device connected to the CLOSE input is active.
L1 - L2
Slow flashing
Change in number of devices connected to
Bluebus or device self-learning not performed
The device self-learning process must be performed (see paragraph 3.5).
L3 - L4
Slow flashing
Change in self-learning of the motor types or the
positions of the mechanical stops
Self-learning of the mechanical stop positions has not been performed.
TABLE 9 - Maintenance light
Signal
Number of manoeuvres
Light on for 2 seconds at the start of the opening manoeuvre.
Below 80% of the limit
Light flashing for the entire duration of the manoeuvre.
Between 81% and 100% of the limit
Light flashing continuously.
Beyond 100% of the limit
TABLE 10 - Flashing light signals (FLASH)
Flashes
Problem
Solution
1 short flash
1 second pause
1 short flash
Bluebus system error
At the start of the manoeuvre, the devices connected to Bluebus do not correspond to those recognized
during the self-learning phase. One or more devices may be disconnected or faulty; check and, if necessary,
replace them. In case of modifications repeat the device self-learning process (see paragraph 3.4).
2 short flashes
1 second pause
2 short flashes
Photocell activated
One or more photocells do not enable movement or have caused a movement inversion during travel; check
to see if there are any obstructions.
3 short flashes
1 second pause
3 short flashes
Function activation
“Obstacle detection” by force limiter
During the movement, the motors encountered excessive resistance; identify the cause and if necessary
increase the level of force of the motors.
4 short flashes
1 second pause
4 short flashes
STOP input activation
At the start of the manoeuvre or during the movement, the STOP input was activated; identify the cause.
5 short flashes
1 second pause
5 short flashes
Error on internal parameters
in control unit
Wait at least 30 seconds, then try giving a command and if necessary turn off the power supply. If the
condition persists, there may be a malfunction and the electronic board must be replaced.
6 short flashes
1 second pause
6 short flashes
Maximum limit of consecutive manoeu-
vres or manoeuvres per hour exceeded.
Wait a few minutes until the manoeuvre limiting device falls to below the maximum limit.
7 short flashes
1 second pause
7 short flashes
Electric circuits fault
Wait at least 30 seconds, then try sending a command and if necessary turn off the power supply. If the
condition persists, there may be a malfunction and the electronic board must be replaced.
8 short flashes
1 second pause
8 short flashes
A command is already present that
disables execution of other commands
Check the type of command that is always present; for example, it could be a command from a timer on the
“open” input.
9 short flashes
1 second pause
9 short flashes
The automation has been blocked by
a “Block automation” command
Release the automation by giving the “Automation release” command.