ZHDN 2500-150
36
Connection unit
www.zepro.com
9
Connection unit
9.1
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 distur-
bances, 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 2
Ai 1
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
S
pk
-
S
pk
+
I-
I+
C
R
C
T
Ctrl 5
Outputs
S
en
so
rs
Display
Flashing light
LED 2
LED 1
Image 47. The circuit board is equipped with an alphanumerical display with a flashing light and 2 red LEDS
