Control and operation

Operating and control elements actually),

•the operation with the input X2.14 activated (special equipment – not used actually),

•the operation with the Diesel engine at its standart power curve (at maximum power)

Press the Menu key again. the screen 5/... is displayed.

This screen displays respectively:

–the identification nb of the coding module

–the Software Version of the Master module

–the Checksum of the Master module

Press the Menu key again. The screen 1/... is displayed.

To exit the menu: Press the Back key. The sub-menu will be aborted.

Menu "Info In/Outputs"- Status of hydraulic pumps and of electrical inputs and outputs

The screens 1 to 3 provide information on the regulation parameters for the hydraulic pumps.

The screen 1/... displays:

–for each of the both working pumps the active flow limitation option and which percentage of the maximum flow is set (solenoid valves EV1 and EV2).

–which is the active pressure limitation for the hydraulic system and which percentage of the maximum pressure is set (solenoid valve EV6).

–graphic bars indicating the momentary electric current flowing to the different regulation solenoid valves..

On the left picture, an external limitation (Hardware input I1, option 2) is activated. The currents supplying the flow limitation solenoid valves EV1 and EV2 limit these flows to 55% of their maximal values. The current supplying the pressure limitation solenoid valve EV6 limits the pressure to 80% of its maximal value.

On the right picture, an internal limitation (Pressure increase ) and an external limitation (Hardware input I1, option 1) are activated at the same time.

Due to the internal limitation, the flow of the pump P1 is limited to 50% of its maximum value via the solenoid valve EV1.

Due to the external limitation, the flow of the pump P2 is limited to 70% of its maximum value via the solenoid valve EV2 and the pressure in the hydraulic system to 60% of its maximal value via the solenoid valve EV6.

When several limitations are activated at the same time, only the one with the smallest percentage value is decisive for each regulating solenoid valve.

Note!

An external limitation becomes active for example when a pedal controlling an additional equipment is actuated.

The three internal limitations which are the most currently used are the followings:

–The internal limitation M1 is activated when travelling.

–The internal limitation M2 is activated when the pressure increase is actuated (button S56 on the control unit).

–The internal limitation M3 is activated when actuating the shovel flap on machines with shovel attachment.

Press the Menu key again. The screen 2/... is displayed.

The screen 2 shows the instantaneous LR current (current flowing to the solenoid valve for power regulation).

Fig. 3-20 Menu "Info In/outputs" Currents to the solenoid valves LR and EV5

Press the Menu key again. The screen 3/... is displayed.

This screen shows the instantaneous current flowing to the regulation solenoid valve EV5 which determines the RPMs of the hydrostatic driven cooler fan.

Press the Menu key again.

The screens 4, 5, 6 and 7/... are successively displayed.

The screens 4/... to 7/... provide an overview of the status of the different electrical inputs and outputs.

A “” means "Input not active".

A “”means "Input active".

An “NC” beneath the terminal designation means that the corresponding input has been deactivated in the software.

The durations indicated in the last line of the screen 4/7, under M4/Time repectively B19/Time correspond to the pause time for the windshield wiper in intermittent mode, respectively to the delay time for the engine low idle automatic system.

The screen 7/... gives information concerning the PLD control system of the Diesel engine (Pump line nozzle injection system):

–Input K16 controls the starter operation.

–Input D+ indicates if the generator delivers current.

–Input X2/13 refers to operation of the Diesel engine with standard power curve.

–Input X2/15 refers to external commutation of hydraulic power.

–PWRred refers to power reduction of the Diesel engine.

–Input DC/Error indicates if an error is detected in the function of the Diesel engine monitoring system.

–PWRred refers to power reduction of the Diesel engine in case of an intake air, engine coolant or fuel overheating.

–Input PWRalt control the Diesel engine power limitation in accordance with the atmosphéric pressure.

–Input DC/cold1 controls the function of the preglow of the Diesel engine.

–Input DC/cold2 controls the function of the postglow of the Diesel engine.

–Input X2/24 indicates if the engine control is in safety mode.

–Input X2/12 indicates if an operating fault is detected in the engine monitoring circuit when the engine is in safety mode. Press the Menu key again.

At each key actuation, the screens 8, 9, 10, ... up to 15 are successively displayed.

The screens 8 and 9 give an overview of the status of the outputs to the regulation and commutation solenoid valves on the main control valves (movements of the working attachment and travel gears).

The represented bar lengths in the spool valves A1, B1, A2, B2,….etc. are determining for the values of the regulating currents (0 up to 100%) flowing to the regulating solenoid valves Yr1-A1,

The screens 10 and 11 show the values of the currents to the regulation solenoid valves for the uppercarriage swing movements und for the pressureless lowering of the working attachment.

The screens 12 and 13 show a representation of the electrical servo controls with indication of the momentary deflections (in percent of maximum deflection and for the different deflection directions).

The screens 14 and 15 indicate on which electrical servo control units and for which deflection directions the momentary deflection is above 10% of the maximum deflection:

•A “” means: deflection smaller than 10%

•A “” means: deflection above or equal 10%

To exit the menu: Press the Back key. The sub-menu will be aborted.

Menu "i-errors" - operating faults and electrical system errors

There are 3 possible choices in this menu:

–By selecting list Exxx, all the operating faults detected by the switches and sensors monitoring the machine parameters are listed.

–By selecting list E-elec, all the electrical system errors (cable errors, sensor errors, ...) detected during the operation of the machine are listed.

–With list S-Exxx, all the operating faults are listed, just as with the selection list Exxx, but this time only faults which appeared when the service connector was connected .

To select the desired error type:

Press the Down or Up arrow key: the previous, respec. the next error typ is preselected

Press the Menu key. The sub-menu on a black background will be displayed.

If more than 6 error codes are listed, use the arrow keys Down or Up to scroll in the list.

"list Exxx": Operating faults

Select list Exxx.

Press the Menu button: the first page of the sub-menu appears.

All the operating faults are listed with their error code and number of occurences. Select the desired error code using the Down or Up arrow key.

Press the Menu key again: the second page of the sub-menu appears.