ACS 553, ACS 563 Service Manual
1 689 975 295 2021-04-13 Robert Bosch GmbH
64
Electrical
These instructions outline the basic steps to
replace the control board. Refer to Figure 3-6.
1. Disconnect unit from the power source.
2. Remove the four screws under the control
panel.
3. Tilt the control panel upwards the front of
the unit.
4. Disconnect all wires from control board
including keypad and display ribbon cables.
5. Remove screws securing control board in
place and remove control board.
All control boards are shipped from the
factory without. Service
centers must follow these installation procedures
to set the board and get unit ready to use.
1. Attach the display and keypad ribbon cables
to the control board.
2. Connect wires as shown in Figure 3-6.
3. Keep the original SD card and format as
FAT 32.
4. Download and
5. Insert original SD card with service software
in new control board.
6. Tilt the control panel down and secure with
four screws.
7.
(take care about the model) and copy and
paste in one USB dongle (previously format
as FAT 32).
Insert USB dongle in the unit slot
(see Figure 1-1 in the Introduction section).
9. Remove the front plastic cover (needed for
tank calibration), then plug in power cord
and switch ON.
10. .
11. Unit ask to RESET the board erasing all the
data and calibrations stored, press and
please wait. After that service routine starts
with required settings.
P6
P19
P8
CBJ1
CBP8
CBP19
CBP6
CBP1
CBP13
CBP18
CBP15
CBJ8 CBP16
CBP17
P15
P18
J1
P13
P17
J8
LS1
P1
P16
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