Bosch ACS 553-P - Keypad Test; Set Boot Mode; Reset Board

ACS 553, ACS 563 Service Manual
1 689 975 295 2021-04-13Robert Bosch GmbH
37
Diagnostics and Testing

The Keypad Test is used to determine if the
keys on the control panel are functioning when
󰀨
in the table below:
• F1 • 1 • 6 • Up Arrow
• F2 • 2 • 7 • Down Arrow
• F3 • 3  • Left Arrow
• F4 • 4 • 9 • Right Arrow
• F5 • 5 • 0 -----
1. From the Service Menu, scroll to 
 and select  icon. The following
displays:
The X displayed represents the key to be


scroll up automatically.
This test cannot be aborted. Once complete, the
display will automatically return to the service
menu.

Setting the Boot Mode makes it possible to boot into
a mode other than Normal (default). The choices
to boot are Normal, Filter Change Required, Leak
Test Required, and End-User Install.
1. From the Service Menu, scroll to 
and select  icon.
2.  icon.
If the password is valid, the following displays:
3. Scroll to the boot mode desired and select
 icon. The unit will boot to the selected

4. To leave set boot mode without change, select
 icon to return to the Service Menu.

Unless absolutely necessary, resetting the
board is not recommended. Resetting the board
will erase any calibration/customization and
restore the factory defaults.
1. From the Service Menu, scroll to 
 and select  icon. The following
displays:
2. To reset the board to the default values,
select  icon.
3. 
 icon to return to the Service Menu.