Diagnostics And Testing; Service Center Menu; Diagnostics And Troubleshooting - Bosch ACS 653 Repair Instruction

Diagnostics and Testing

NOTE: These are the Service Options at the time of printing this service manual. Some options
may be added or deleted in future circuit board and software updates and revisions.
WARNING: Never change the default settings unless directed by the factory.
Otherwise the unit may fail to operate properly.
WARNING: Never give the programming or service codes to customers.

Service Center Menu

NOTE: Consult the Technical Service Bulletins
for the latest software version as applicable.
To navigate through the Service Menu, use the
keypad and arrow keys.

Diagnostics and Troubleshooting

1. Turn unit on and allow it to run through the
boot sequence.
2. Select NEXT icon.
3. Select MENU icon.
4. Select MAINTENANCE.
5. From the maintenance menu, scroll up and
find SERVICE MENU.
6. Enter password then select OK icon. The
following displays:
• To perform any of the checks in the Service
Menu, use the up and down arrows to scroll
to the desired test listed and select OK icon.
• To exit the Service Menu, select BACK icon.
SP00D00624 2021-04-08

DIAGNOSTICS AND TESTING

ACS 653, ACS 663 Service Manual
Service Menu
• Calibrate Load cell
• Output test
• Input Test
• Calibrate air flow
• ISV Purge condition
• A/C unit internal clearing
• Service vacuum
• End user install
• Maintenance counters
• Keypad test
• Set boot mode
• Reset Board
• Identifier Type
• Refrigerant identifier
• Charge leak test
• 10 days leak test
• Default vacuum time
• Default vacuum leak test time
• Default precharge leak test time
• Service hose length
• Nx Leak Test
• Dye inject enable
• Enter plate only
• Refrigerant tracking password
• Customer configuration
• Database configuration
• Tank check valve test
• AC unit emptying
• Convert unit refrigerant
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Robert Bosch GmbH