27 4.9 Control Panels Replacement; Power Board Replacement; Video Board; Video Board Replacement Procedure - Bosch WBE 4420 Instrucciones De Reparacion

4.9 Control panels replacement
1. Remove the left and upper protections;
2. replace the board and restore connections.
4.10

Power board replacement

1. Remove the left and upper protections;
2. replace the board and restore connections.
4.11

Video board

4.11.1

Video board replacement procedure

1. Remove the left and upper protections;
2. replace the board and restore connections.
3. configure the board (see chap. 4.8.2).
D
E
F
G
I
!
The piezo-electric sensors are identical and to
distinguish them, during production, a red pick-up is
assembled on the outside and a black on the inside.
Mark the cables F and G before reconnecting them
to be able to recognise them.
!
When it is necessary to replace the board, activate
the board and perform the various calibration
passages.
4.11.2 Video board configuration
i
The board is configured during installation
requesting an activation code which determines the
main details.
i
Every time a new board is installed or the software is
manually updated upon commissioning, the machine
requests an activation code.
i
Access the factory calibration menu to activate the
illuminator function.
Robert Bosch GmbH
L
C
M
Repair procedures | WBE 4420 | 37
Machine Code
Upon start-up of every new "neutral" board a code is
requested to recognise the model of the balancing
machine on which the board will be installed and load
the setting/parameters associated to that machine.
A code is associated to every machine model which is
found inside the spare part packaging or that can be
requested from the after-sales assistance.
To enter the code, press keys <o> and <u> to increase
the digits, and keys <z> and <r> to move to the
subsequent field.
Reset Machine Code
It is possible to cancel the entered machine code by
following the instructions described:
1. Upon exiting the diagnostics page, press keys <o>,
<u>, <o>;
2. Enter the reset code (36443).
"
Upon re-start, the board will request to be activated
again with a configuration code.
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1 695 655 424 2010-04-30