ACS 653, ACS 663 Service Manual
SP00D00624
2021-04-08
Robert Bosch GmbH
31
Diagnostics and Testing
D i a g n o s t i c s and Testing
Functional Check ........................................................................................................32
Updating System Software Instruction ............................................................................32
Recover Function ...............................................................................................................
33
Charge Function .................................................................................................................
34
Diagnostics and Testing .............................................................................................36
Service Center Menu ..........................................................................................................36
Diagnostics and Troubleshooting .....................................................................................36
Calibrate Load Cells ...........................................................................................................
37
Output Test ..........................................................................................................................
39
Input Test .............................................................................................................................40
Calibrate air flow (for R1234yf only) .................................................................................40
ISV Purge Condition ...........................................................................................................40
A/C unit Internal Clearing ..................................................................................................41
Service Vacuum ..................................................................................................................41
End User Install ..................................................................................................................42
Maintenance Counters .......................................................................................................42
Keypad Test ........................................................................................................................
44
Set Boot Mode ....................................................................................................................
44
Reset Board ........................................................................................................................45
Identifier Type (for R1234yf only) ......................................................................................45
Refrigerant Identifier (for R1234yf only) ...........................................................................45
Charge Leak Test ................................................................................................................45
10 Days Leak Test (for R1234yf only) ...............................................................................45
Default Vacuum Time .........................................................................................................45
Default Vacuum Leak Test Time ........................................................................................45
Default Precharge Leak Test Time ....................................................................................46
Service hose length ............................................................................................................46
Nx Leak Test ........................................................................................................................46
Dye inject enable ................................................................................................................46
Enter plate only ...................................................................................................................46
Refrigerant tracking password ..........................................................................................46
Customer configuration .....................................................................................................46
Database configuration ......................................................................................................46
Tank check valve test .........................................................................................................46
AC unit emptying ................................................................................................................46
Convert unit refrigerant .....................................................................................................46
Depressurizing the Unit..............................................................................................
47
Unit is Functional ...............................................................................................................
47
Unit is Not Functional ........................................................................................................
47
Troubleshooting ..........................................................................................................48
Grounding, Noise, and Power Issues ...............................................................................48
Will Not Power-Up, No Display ..........................................................................................
49
Will Not Fill Tank .................................................................................................................50
Stuck In Clearing ................................................................................................................50
Will Not Recover .................................................................................................................51
Will Not Deep Recover .......................................................................................................52
Fails Service Vacuum .........................................................................................................52
Will Not Drain Oil ................................................................................................................53
Will Not Air Purge ...............................................................................................................53
Will Not Evacuate (Vacuum) ..............................................................................................54
Fails Leak Test ....................................................................................................................55
Will Not Inject Oil or Dye ....................................................................................................55
Will Not Charge ...................................................................................................................56
Slow Charge ........................................................................................................................56
Will Not Hose Flush ............................................................................................................56
Will Not Print (only for variants with printer) ...................................................................57
Power Board Troubleshooting ..........................................................................................58
Control Board Troubleshooting ........................................................................................58
Compressor Troubleshooting ...........................................................................................59
Vacuum Pump Troubleshooting ........................................................................................60
Error Messages ...........................................................................................................61
Error messages for refrigerant identifier (if available) ....................................................63