Bosch ACS 753 User Manual

ACS 753, ACS 763, ACS 863 Service Manual
SP00D00609 2018-03-26Robert Bosch GmbH
23
Diagnostics and Testing
d I a g n o s T I C s and TesTIng
Functional Check ..................................................................................................24
Updating System Software Instruction ............................................................................24
Recover Function ...............................................................................................................25
Charge Function .................................................................................................................26
Diagnostics and Testing .......................................................................................28
Service Center Menu ..........................................................................................................28
Diagnostics and Troubleshooting .....................................................................................28
Calibrate Load Cells ...........................................................................................................28
Output Test ..........................................................................................................................32
Input Test .............................................................................................................................33
  Calibrateairow .................................................................................................................33
A/C unit Internal Clearing ..................................................................................................34
Service Vacuum ..................................................................................................................34
End User Install ..................................................................................................................35
Maintenance Counters .......................................................................................................35
Keypad Test ........................................................................................................................37
Set Serial Number ...............................................................................................................37
Set Manufacturing Date .....................................................................................................37
Set Boot Mode ....................................................................................................................38
Reset Board ........................................................................................................................38
  RefrigerantIdentier(ACS863only) ................................................................................39
Charge Leak Test ................................................................................................................ 39
10 Days Leak Test (R1234yf only) ..................................................................................... 39
Default Vacuum Time .........................................................................................................39
Default Vacuum Leak Test Time ........................................................................................ 39
Default Precharge Leak Test Time ....................................................................................39
Service hose length ............................................................................................................39
Depressurizing the Unit ........................................................................................40
Unit is Functional ...............................................................................................................40
Unit is Not Functional ........................................................................................................40
Troubleshooting ....................................................................................................41
Grounding, Noise, and Power Issues ...............................................................................41
Will Not Power-Up, No Display .......................................................................................... 42
Will Not Fill Tank ................................................................................................................. 43
Stuck In Clearing ................................................................................................................43
Will Not Recover .................................................................................................................44
Will Not Deep Recover .......................................................................................................45
Will Not Drain Oil ................................................................................................................46
Will Not Air Purge ...............................................................................................................46
Will Not Evacuate (Vacuum) .............................................................................................. 47
Fails Leak Test ....................................................................................................................48
Will Not Inject Oil or Dye .................................................................................................... 48
Will Not Charge ................................................................................................................... 49
Slow Charge ........................................................................................................................ 49
Will Not Hose Flush ............................................................................................................ 49
Will Not Print .......................................................................................................................50
Power Board Troubleshooting ..........................................................................................51
Control Board Troubleshooting ........................................................................................51
Compressor Troubleshooting ...........................................................................................52
Vacuum Pump Troubleshooting ........................................................................................ 53
Error Messages .....................................................................................................54

Bosch ACS 753 Specifications

General

Brand	Bosch
Model	ACS 753
Category	Air Conditioner
Language	English