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14 | ACS 751/651 | Troubleshooting
Error code
Messages
C003
OIL RECHARGE
High pressure in vehi-
cle. Perform Vacuuming
C004
OIL RECHARGE
Insufficient Oil Quantity
C006
OIL RECHARGE
Fresh oil Bottle Not Found
D001
A/C PERFORMANCE TEST
Refrigerant cylinder full
D002
A/C PERFORMANCE TEST
Service Timeout
D003
A/C PERFORMANCE TEST
High pressure in the sys-
tem, Perform Hose drain
D004
A/C PERFORMANCE TEST
Insufficient R134a Quantity
D005
A/C PERFORMANCE TEST
High pressure shutdown
The message "Service Timeout" indicates the service timeout for any service phase which is in progress. The following table indicates the
)
service timeout duration for different service phases.
Service phase
Recovery (refrigerant recovery)
Recharge oil
Recharge UV dye
Recharge refrigerant
Hose drain
|
1 689 975 223
2013-10-21
Actions
The pressure is greater than 900 mbar while recharging.
Perform vacuuming
R Oil quantity is less than 30 ml. Refill the oil.
R Reset the fresh oil bottle scale
R Check if the fresh oil bottle is disconnected. If the bot-
tle is disconnected, connect the bottle.
R Weight limit reached. Reduce quantity of refrig-
erant in internal refrigerant cylinder.
R Load cell is defective. Replace the load cell.
R Check for leakage / blockage in the HP/ LP hoses of the ACS 751/651.
R Check if the quick couplers are connected properly to the ser-
vice connections on the vehicle A/C system.
The pressure is greater than 1400 mbar. Perform hose drain.
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.
Timeout duration (mins)
90
3
3
15
5
Robert Bosch GmbH
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