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7. Connection unit
Operating information
All the lift's functions are controlled and monitored through the connection unit and its circuit board. The
circuit board is equipped with an alphanumerical display with a flashing light and 2 red LEDS. These display
current operating information. In the event of any operational disturbances, fault codes are displayed to
facilitate troubleshooting.
The display indicates:
- Function display
- Fault display
- Program configuration.
The flashing light indicates:
- Supply voltage
- Off: No supply voltage
- On: Supply voltage available but CS (cabin switch) is not active.
- Flashing: CS (cabin switch) is active, the system is awaiting input signal.
LED 1 indicates:
- Active input, button(s) on control device pressed.
LED 2 indicates:
- Active output, lift in operation.
Ctrl 4
Spiral
Ctrl 3
Radio
Ctrl 2
Ctrl 1
C
on
tro
l P
ow
er
Sensor Power
G
ro
un
d
IN OUT
Ai 1
Ai 2
Di 1
Di 2
Di 3
Di 4
Di 5
Di 6
PA-
PA+
CSPWR
CS
+
B
E
C
2H1
B
E
C
2H2
B
E
C
Lock
B
E
C
Lock
U
7
U
6
U
5
U
4
U
3
U
5
U
4
U
2
U
1
U
0
Ctrl 6
O
ut
In
GN
D
LL
E
D
Ctrl 5
Outputs
S
en
so
rs
Display
Flashing light
LED 2
LED 1
