• The interface receives and analyses signals from sensors and switches placed on the crane.
Inside the interface there is a numerical display that shows error codes.
Tilt indicator
(2)
• The tilt sensor sends information about the first boom position to the TWI .
Pressure sensor
• The pressure sensor measures the pressure in the first boom cylinder and it is located near the
main control valve.
Transport warning
(3)
• The transport warning receives information if the first boom is in high position or if the stabiliser
extensions are not in locked position when moving the vehicle. A signal is then send to the
warning interface, placed inside the vehicle cab. The interface will warn the operator.
Dump valves
• The dump valves controls the oil in the hydraulic system depending on signals from the electric
unit. If the dump valve is open the oil will go directly to tank.
NOTE!
If the CE- system controls the engine there is no dump valve on your crane .
4.3. Buttons and indicating lights on the interface
Stop button
(1)
• If a danger situation occurs, press the red stop button on
the interface. Depending on the version of the CE
system, the truck engine stops or the dump valve on the
crane will open and the oil will return directly to the
hydraulic tank. When the stop button is pressed the
orange light (2) will switch off and the load warning lamp
(4) will flash.
To release the stop button, turn it clockwise. When the button is released the orange light will
switch on.
WARNING!
If the stop button is released the cranes hydraulic circuit is restored.
On cranes with cabin the stop button is located on the cabins control panel. On cranes with high
seat it is placed in front of the seat.
Lamp indicator for supply voltage
(2)
• When the lamp is lit green the system is on.
Lamp indicator for oil pressure
(3)
The CE system [option]
38
Jonsered 1188S CE
