Diagnostics And Testing - Bosch ACS 653 Repair Instruction

ACS 653, ACS 663 Service Manual
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
Robert Bosch GmbH

Diagnostics and Testing

31
SP00D00624 2021-04-08