1 695 656 135 2011-01-12| Robert Bosch GmbH
28 | WBE 4100 | Auto-diagnosis menuen
So, follow the instructions for “positioning diameter
potentiometer”.
Defect
Correction
The value is blocked ei-
ther at the end of the scale
or between 0 and 40.
R Check that the cable is
properly connected.
R Substitute the connec-
tion cable. (code 654085).
R Substitute the potentiome-
ter group. (code 654107).
The value touches zero dur-
ing the stroke of the gauge.
Reposition the potentiometer.
(See the following Instructions).
Procedure of positioning the diameter potentiometer:
¶ Remove the carter without disconnecting the board;
¶ Start the machine;
¶ Enter the test menu:
? Press “SET” until the notice “TST” appears and
then press “MM/INCH“;
? press “SET” until the notice “A0” appears “;
? press + DISTANCE until the notice “A7” appears;
¶ Keep the value of the board shown and unblock the
nut (A) on the shaft;
¶ Now keep the gauge in rest and turn the potentiom-
eter as far as the value of 200 ± 50;
¶ Block the locking screw;
¶ Check the correct functioning during the stroke;
¶ Close the machine;
¶ Proceed with the calibration of gauges (chapter 7)
8.5 INP
The abbreviation indicates the function that controls
directly the micro switch of the protecting carter.
When the cover goes down, if the machine is working
correctly, you will see the notice ON on the right dis-
play.
Left Display
Right Display
Description
INP ON/OFF State of the carter: OFF open,
ON down
NOTES FOR THE ASSISTANCE
Defect
Correction
The value does
not change.
R Check the connection on the board.
R Check that the cam (code
653035) that starts the mi-
cro switch works properly.
R Substitute the micro
switch (code 653279).
R Substitute the board (code
654044). (paragraph of the Sub-
stitution of the board)
8.6 CNT
The abbreviation indicates the counter of launches
made by the balancing machine.
In order to move inside the function, use + DISTANCE.
Left Display
Right Display
Description
Cnt
Press "+“ DISTANCE to
roll down the menu
1 500
Number of overall launch-
es ex:1500)
6
Number of daily launches, since
the machine has been started)
8.7 LED
The abbreviation indicates the “led” lights test of the
board. In order to move inside the function, use + DIS-
TANCE.
Left Display
Right Display
Description
Led Press "+“ DISTANCE to
roll down the menu
8.8 TAR
This menu gives the opportunity to check the calibra-
tion values of the board.
Left Display
Right Display
Description
Tar
Press "+“ DISTANCE to
roll down the menu
8.9 REL
The abbreviation indicates the function of relative bal-
ancing.
We use this procedure to monitor the machine when we
put the requested counterweights and the wheel does
not go to “zero”.
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