Bosch ACS 651 Original Instructions Manual page 96

en 96 | ACS 651/751 | Troubleshooting
Error code Messages
D001 A/C PERFORMANCE TEST
Refrigerant cylinder full
D002 A/C PERFORMANCE TEST
Service Timeout
D003 A/C PERFORMANCE TEST
High pressure in the system, Per-
form Hose drain
D004 A/C PERFORMANCE TEST
Insufficient R134a Quantity
D005 A/C PERFORMANCE TEST
High pressure shutdown
E005 OIL RECHARGE
High pressure in system
The message "Service Timeout" indicates the service timeout for any service phase which is in progress. The fol-
*)
lowing table indicates the service timeout duration for different service phases.
Service phase
Recovery (refrigerant recovery)
Recharge oil
Recharge UV dye
Recharge refrigerant
Hose drain
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Actions
R Weight limit reached. Reduce quantity of refrigerant in internal refrigerant cylin-
der.
R Load cell is defective. Replace the load cell.
R Check for leakage / blockage in the HP/ LP hoses of the ACS 651/751.
R Check if the quick couplers are connected properly to the service connections on
the vehicle A/C system.
R Contact customer service.
The pressure is greater than 1400 mbar. Perform hose drain (see chapter 6.11).
Fill the internal refrigerant cylinder.
R Check the connection to the high pressure switch
R Check if the hose connection to the blue valve on the cylinder is open.
R Check for blockage in the blue hose.
Perform vacuuming
Timeout duration (mins)
90
3
3
15
5
Robert Bosch GmbH