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

ACS 553, ACS 563 Service Manual

Keypad Test

The Keypad Test is used to determine if the
keys on the control panel are functioning when
pressed. The keys affected by this test are listed
in the table below:
• F1 • 1
• F2 • 2
• F3 • 3
• F4 • 4
• F5 • 5
1. From the Service Menu, scroll to Keypad
Test and select OK icon. The following
displays:
The X displayed represents the key to be
tested. The first key is F1, followed by F2 and
so on. After each key is tested, the next key will
scroll up automatically.
This test cannot be aborted. Once complete, the
display will automatically return to the service
menu.
Robert Bosch GmbH
• 6 • Up Arrow
• 7 • Down Arrow
• 8 • Left Arrow
• 9 • Right Arrow
• 0 -----
Diagnostics and Testing

Set Boot Mode

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 Set Boot
Mode and select OK icon.
2. Enter password 28768347 then select OK icon.
If the password is valid, the following displays:
3. Scroll to the boot mode desired and select
OK icon. The unit will boot to the selected
mode at the next power up cycle.
4. To leave set boot mode without change, select
BACK icon to return to the Service Menu.

Reset Board

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 Reset
Board and select OK icon. The following
displays:
2. To reset the board to the default values,
select OK icon.
3. To leave the board configuration as is, select
ESC icon to return to the Service Menu.
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