ENGLISH – 19
EN
Table 9
SIGNALS OF LED (B) (“FIGURE 22”)
Status Meaning Possible solution
All LEDs
No LED is lit No power to the control unit
Check whether the control unit is powered.
Check that the fuse (A - “Figure 1”) has not blown. If the fuse has blown,
verify the cause and replace it with one having the same characteristics.
If also the “BlueBus” LED is not lit or ashing, there probably is a serious
fault that requires the control unit to be replaced.
BLUEBUS LED
Green LED always off Anomaly
Check whether the control unit is powered.
Check that the fuse (A - “Figure 1”) has not blown. If the fuse has blown,
verify the cause and replace it with one having the same characteristics.
Green LED always on Serious anomaly
There is a serious problem: try disconnecting the power supply to the
control unit and if the condition persists, replace the electronic board.
1 ash per second of the
green LED
Everything normal
Normal control unit operation.
2 fast ashes of the
green LED
Variation of the status of the
inputs
This is normal if there is a change in one of the “SbS”, “Stop”, “Open”
or “Close” inputs, the control photocells intervene or a command is
transmitted with a transmitter.
Series of ashes of the
red LED divided by a
1-second pause
Various Refer to that shown in “Table 8”.
STOP LED
OFF
Intervention of the “Stop”
input
Check the devices connected to the “Stop” input.
On All OK
“Stop” input active.
SbS LED
OFF All OK
“SbS” input not active.
On
Intervention of the “SbS”
input
Normal if the device connected to the “SbS” input is active.
OPEN LED
OFF Everything normal
“Open” input not active.
On
Intervention of the “Open”
input
This is normal if the device connected to the “Open” input is active.
CLOSE LED
OFF Everything normal
“Close” input not active.
On
Intervention of the “Close”
input
This is normal if the device connected to the “Close” input is active.
LS1 OPEN LED
OFF
Intervention of the “LS1
Open” input
This is normal if the device connected to the “LS1 Open” input is active.
On Everything normal
“LS1 Open” input active.
LS1 CLOSE LED
OFF
Intervention of the “LS1
Close” input
This is normal if the device connected to the “LS1 Close” input is active.
On Everything normal
“LS1 Close” input active.
LS2 OPEN LED
OFF
Intervention of the “LS2
Open” input
This is normal if the device connected to the “LS2 Open” input is active.
On Everything normal
“LS2 Open” input active.
LS2 CLOSE LED
OFF
Intervention of the “LS2
Close” input
This is normal if the device connected to the “LS2 Close” input is active.
On Everything normal
“LS2 Close” input active.
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