ACS 653, ACS 663 Service Manual
SP00D00624 2021-04-08 Robert Bosch GmbH
36
Diagnostics and Testing
Consult the Technical Service Bulletins
for the latest software version as applicable.
To navigate through the Service Menu, use the
keypad and arrow keys.
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.
1. Turn unit on and allow it to run through the
boot sequence.
2. Select icon.
3. Select icon.
4. Select .
5. From the maintenance menu, scroll up and
nd .
6. Enter password then select icon. The
following displays:
• Calibrate Load cell
• Output test
• Input Test
• Calibrate air ow
• ISV Purge condition
• A/C unit internal clearing
• Service vacuum
• End user install
• Maintenance counters
• Keypad test
• Set boot mode
• Reset Board
• Identier Type
• Refrigerant identier
• 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 conguration
• Database conguration
• Tank check valve test
• AC unit emptying
• Convert unit refrigerant
• 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 icon.
• To exit the Service Menu, select icon.
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