Bosch ACS 810 Repair Instructions

| 2 | ACS 810 | en
1 689 975 253 2021-01-26| Robert Bosch GmbH
en – Contents
1. Symbols used 3
1.1 In the documentation 3
1.1.1 Warning notices - Structure and
meaning 3
1.1.2 Symbols in this documentation 3
1.2 On the product 3
2. Important information 4
3. Test equipment and auxiliary materials 4
4. Safety regulations 5
4.1 Handling refrigerant R134a 5
4.2 Working on the vehicle 5
4.3 Notes on operation 6
4.4 Maintenance work 6
4.5 Safety devices 6
4.6 PED directive 2014/68/EU 6
5. Product description 7
5.1 Description of unit 7
5.1.1 Front view 7
5.1.2 Rear view 7
5.1.3 Display and control panel 8
5.1.4 Selection and function keys 8
5.1.5 Input keys 8
6. Program structure 9
6.1 Calibration and tare 9
6.2 Settings 9
6.3 Repair 9
6.4 Vehicle and customer data 9
6.5 Menu 9
6.6 Manual mode 9
6.7 Automatic mode 9
6.8 Flush (optional) 9
6.9 Enter 9
7. Hydraulics diagram 10
8. Service phases 11
8.1 Recovery 11
8.2 Draining oil into the used oil bottle 13
8.3 Vacuum phase 14
8.4 Leak test 16
8.5 Refrigerant preparation 17
8.6 Fresh oil filling 18
8.7 Filling refrigerant 19
8.8 Separating and returning compressor oil 20
8.9 Non-condensing gases 21
9. Troubleshooting 22
9.1 Service messages 22
9.2 Fault messages 22
10. Emptying the ACS 810 23
10.1 Automatic emptying 23
10.2 Extraction of internal refrigerant circuit with
second A/C service unit 23
11. TROUBLESHOOTING AND ANALYSIS 24
11.1 Faults during recovery 24
11.1.1 Compressor starts 24
11.1.2 Compressor does not start 24
11.1.3 Fault messages that can occur during
recovery 25
11.1.4 Other fault messages 25
11.2 Faults during the vacuum phase 25
11.2.1 The vacuum pump starts 25
11.2.2 The vacuum pump does not start 25
11.2.3 Fault message that can occur during the
vacuum phase 26
11.3 Faults during refrigerant preparation 26
11.4 Non-condensing gases are not drained 26
11.5 Faults during filling with refrigerant 26
11.5.1 Vehicle air conditioning system cannot
be filled 26
11.5.2 Other fault messages 26
12. Component test and maintenance 27
12.1 Vacuum pump 27
12.2 Pressure sensor P1 27
12.3 Pressure switch P2 27
12.4 Expansion valve 27
12.5 Periodic check of the non-condensable gas
purge valve 28
12.6 Combo filter 28
12.6.1 Replacement of combo filter 28
12.6.2 Reset filter 29
12.7 Vacuum pump 30
12.7.1 Changing vacuum pump oil 30
12.7.2 Reset of oil change interval 30

Bosch ACS 810 Specifications

General

Brand	Bosch
Model	ACS 810
Category	Service Equipment
Language	English