Bosch ACS 561 Repair Instructions page 24

Diagnostics and Testing
If the pressure is greater than 0.35 bar, this
screen displays:
The only option is to press Exit (F2) to return
to the Service menu.
2. The Service Vacuum default time defaults
to 5 minutes. To change the default time to
another value, enter a new time using the
keypad and press Start (F1) to begin the
vacuum. The following displays:
3. The vacuum pump should turn on and the
time begins to count down. To pause at any
point during the process press Pause (F2).
At the Pause function, the Service Vacuum
can either be resumed or cancelled.
SP00D00517 2018-07-11
The inlet pressure should stay below 0.35
bar throughout the Service Vacuum. The
outputs (Vacuum , Charge, Liquid, Oil Re-
turn, and Recover solenoids) will turn ON.
4. When the vacuum Time Remaining falls
to 00.00, the outputs will turn OFF and the
following displays:
5. Press Exit (F2) to return to the Service
Menu.
6. If the Inlet pressure rises above 0.35 bar
during the Service Vacuum, any outputs
that are ON will turn OFF and the vacuum
time will stop counting down. The following
displays:
7. Pressing Retry (F1) may restart the vacuum
process if the Inlet pressure has dropped
below 0.35 bar. If restart is achieved, the
vacuum pump will restart and the outputs
will turn ON again completing the Service
Vacuum.
24
ACS 561 Service Manual
Robert Bosch GmbH