Ground (0V) +24 V Power connections
Power connections
3) Power from 2024 to Control box
(The valve harness connected)
The voltage between pins 1 & 2 in JPT# 123
connector should be +24V.
4) Power from 2024 to Control box
The voltage between pins 1 & 2 in M12
connector should be +24V. If 24V, check
that the polarity is correct.
If 0V, check/replace the valve harness.
If 24V, check that the polarity is correct. : 1= +24V
(red) 2= gnd (blue/white)
2) Power from 2024 to Control box
(The valve harness disconnected)
1 = ground (0 V) (white)
2 = +24V (brown)
Male M12
The voltage between pins 11 & 23 in grey
23-pin connector should be +24V.
Female M12
If 0V, there isn’t any program inside the
module or the module is defected.
Ground (0V)
+24 V
1) Power from the Truck to 2024
The voltage between pins 1 & 4 in AMP 8
connector should be +24V.
If 0V, check the connection in the vehicle
or the power supply cable.
Please check also the polarity!
1 = gnd 4 = +24V
Power connections
4) Power from 2024
to Control box and
Receiver
3) Power from 2024 to Control box
(The valve harness connected)
The voltage between pins 1 & 2 in JPT# 123
connector should be +24V.
If 0V, check/replace the valve harness.
If 24V, check that the polarity is correct. : 1= +24V
(red) 2= gnd (blue/white)
The voltage
between pins 1 &
2 in M12
connector should
be +24V. If 24V,
check that the
polarity is correct.
2) Power from 2024 to Control
box
(The valve harness
disconnected)
The voltage between pins 11
& 23 in grey 23-pin
connector should be +24V.
The pin numbers
in receiver are
1.01 (+24V) and
1.05 (GND)
If 0V, there isn’t any
program inside the module
or the module is defected.
M12 & LEMO
1 = ground (0 V)
(white)
2 = +24V (brown)
Male M12
Female M12
1) Power from the Truck to 2024
The voltage between pins 1 & 4 in AMP 8 connector should be +24V.
LEMO Female
Ground (0V)
+24 V
If 0V, check the connection in the vehicle or the power supply cable.
Please check also the polarity!
1 = gnd 4 = +24V
CAN connections
2) CAN High & Low in M12 connector
CAN H: Voltage between GND & CAN H should be a little bit over 2,5V.
CAN L: Voltage between GND & CAN L should be a little bit below 2,5V.
Check also that CAN
aren’t connected to
each other.
CAN1 H (yellow)
CAN1 L (green)
1 = GND (white)
2 = +24 V (brown)
3 = CAN1 H (yellow)
4 = CAN1 L (green)
Male M12
1) CAN High & Low in AMP 8-pin connector
Check that the pins are inserted in correct
way and in correct places.
Female M12
CAN connections
3) CAN High & Low in LEMO Female (CB)
1 = GND (white)
2 = +24 V (brown)
3 = CAN1 H (yellow)
4 = CAN1 L (green)
5 = CAN EN (grey)
6 = Case GND (grey)
2) CAN High & Low in M12 connector
CAN H: Voltage between GND & CAN H should be a little bit over 2,5V.
CAN L: Voltage between GND & CAN L should be a little bit below 2,5V.
1 = GND (white)
2 = +24 V (brown)
3 = CAN1 H (yellow)
4 = CAN1 L (green)
Male M12
Female M12
1) CAN High & Low in
AMP 14-pin connector
Check that the pins are
inserted in correct way
and in correct places.
2 = CAN 1 H (2024)
3 = CAN 1 L (2024)
6 = CAN 2 H (CABIN)
7 = CAN 2 L (CABIN)
2) CAN High & Low in LEMO
1 = GND (white)
2 = +24 V (brown)
3 = CAN1 H (blue)
4 = CAN1 L (black)
5 = CAN EN (grey), link 5-6
and Rubber Gaiter GND
6 = Case GND (grey) , link 5-6
CAN1 H (yellow)
CAN1 L (green)
1) CAN High & Low in AMP 8-pin connector
Check that the pins are inserted in correct
way and in correct places.
2 = CAN 1 H (yellow) 6 = CAN 1 L
Check also that CAN
aren’t connected to
each other.
Control Box V1
LED in control box
Red
Green
Description
ON
ON
CAN Wires from left:
1)
Brown (+24V)
2)
White (GND)
3)
Green (CAN L)
4)
Yellow (CAN H)
The processor hasn’t been able to start. The problem can be
caused by a loose display cable (grey flat cable from PCB to
display card) or damaged PCB (processor). Check the display
cable or replace the PCB/control box.
Blinking
1 Hz
OFF
The control box is in test state. During start there has been
connection between test pins.
Check that wires aren’t connected together.
OFF
Blinking
4 Hz
The control box is ok and CAN is working.
OFF
Blinking
1 Hz
The control box is ok but CAN isn’t working. Check the CANwires.
or
Blinking
1 Hz
Blinking
1 Hz
Control Box CB V2
1) Normal Control Box
- Check that there is a jumper in dead man switch
- CAN Enable is free
- GND wire from Rubber Gaiter is connected to Case GND
CAN Enable (grey)
CAN1 H (yellow) (M12 pin 3)
CAN1 L (green) (M12 pin 4)
Case GND (grey) (Rubber Gaiter)
GND (white) (M12 pin 1)
+24 V (brown) (M12 pin 2)
2) Remote Control Box
- Check that all 6 wires are connected
- Check that connector is tightened and wires aren’t twisted and
connected together.
CAN Enable (grey) (LEMO pin 5)
CAN1 H (yellow) (LEMO pin 3)
CAN1 L (green) (LEMO pin 4)
Case GND (grey) (2 wires, Rubber Gaiter & LEMO pin 6)
GND (white) (LEMO pin 1)
+24 V (brown) (LEMO pin 2)
Control Box PCB V2
LED in control box
Red
Green
Description
OFF
OFF
- Supply voltage is missing
-Power save mode active (remote controls)
- Software or bootloader is missing
ON
OFF
- Downloading software
- software is missing
OFF
ON
Software is running ok
Control box is connected to receiver but connection between receiver
and 2024 is missing (GND and +24V are ok but CAN H&L aren’t)
Software
When Service Tool (PC or Service Display) is connected to the system, Software & Runtime versions can be seen in
Main window.
If 2024 row is empty, Service Tool isn’t connected to the system
- CAN interface (Kvaser) isn’t installed
- CAN line is damaged or there is a short circuit
- the system isn’t powered up.
The combination of the software & runtime versions is also important.
SW 1.04 & RT 2.15 are compatible with each other but 1.04 & 2.13 aren’t.
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