Charge Function - Bosch ACS 753 Repair Instructions

Diagnostics and Testing

Charge Function

Automatic leak tests will be performed during
the charge function. To avoid false failures,
the temperature of the vehicle system and the
temperature of the recovery machine should be
within ±5 degrees °C of each other.
1. Connect (or verify) both service hoses to
the test tank and turn the quick couplers
clockwise.
2. Select the CHARGE icon from the main
menu. Unit show the ENTER VEHICLE
DATA input page, confirm with OK icon.
The following display may show:
If there is sufficient vacuum available, this
displays:
Machine is asking to input:
• Charge amount (min is 10 g).
• Select charge hoses (3 option: High, Low
and Both side).
3. Select OK icon to continue.
SP00D00609 2018-03-26
ACS 753, ACS 763, ACS 863 Service Manual
Machine is asking to input:
• Oil inject (Yes or No). If select No unit
don't inject any oil (neither the recovered
one).
• Oil amount: xxx ml (is possible set as ml,
oz or lb).
• Oil type: 2 option (PAG or POE).
• Dye inject amount: xxx ml (is possible set
as ml, oz or lb).
4. Confirm with OK icon and begin the charge
process. Moving or bumping the unit at this
point may result in an inaccurate charge.
Charging please wait displays:
5. When the charge cycle gets close to the
desired weight value, the machine slows
down. It will charge, settle, charge again,
settle, etc.
6. If there is not sufficient refrigerant in the tank
to charge the system, the display shows:
7. Select ESC icon to exit. May require tank fill.
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Robert Bosch GmbH