Bosch ACS 653-P - Keypad Test; Set Boot Mode

ACS 653, ACS 663 Service Manual
SP00D00624 2021-04-08 Robert Bosch GmbH
44
Diagnostics and Testing

The Keypad Test is used to determine if the
keys on the control panel are functioning when
pressed. The keys a󰀨ected by this test are listed
in the table below:
• F1 • 1 • 6 • Up Arrow
• F2 • 2 • 7 • Down Arrow
• F3 • 3 • 8 • 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
tested. The rst 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.

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. Enter password 28768347 then select 
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
mode at the next power up cycle.
4. To leave set boot mode without change,
select  icon to return to the Service
Menu.