Bosch ACS 651 Original Instructions Manual page 95

Error code Messages
A208 SHORT FLUSHING
Refrigerant Cylinder Full
A209 SHORT FLUSHING
Recharge Failed. Check Hoses
A302 EXTENDED FLUSHING
Service Timeout
A303 EXTENDED FLUSHING
Insufficient R134a quantity
A304 EXTENDED FLUSHING
Leak Detected
A305 EXTENDED FLUSHING
High pressure shutdown
A306 EXTENDED FLUSHING
High pressure in vehicle - Perform
Recovery
A307 EXTENDED FLUSHING
Used Oil bottle full
A308 EXTENDED FLUSHING
Refrigerant cylinder full
A309 EXTENDED FLUSHING
Recharge Failed. Check Hoses
A501 HOSE DRAIN
R134a Bottle Full
A502 HOSE DRAIN
High pressure shutdown
A601 REFRIGERANT TOP UP
Service Timeout
A602 REFRIGERANT TOP UP
Insufficient R134a Quantity
A701 CALIBRATION CHECK
Weight Not Placed
A702 CALIBRATION CHECK
Failed
A901 AIR PURGE
Service Timeout
A20A SHORT FLUSHING
Used Oil Bottle Not Found
A30A EXTENDED FLUSHING
Used Oil Bottle Not Found
C001 OIL RECHARGE
Service Timeout
C002 OIL RECHARGE
High pressure in vehicle. Perform
Recovery
C003 OIL RECHARGE
High pressure in vehicle. Perform
Vacuuming
C004 OIL RECHARGE
Insufficient Oil Quantity
C006 OIL RECHARGE
Fresh oil Bottle Not Found
Robert Bosch GmbH
Actions
R Weight limit reached. Reduce quantity of refrigerant in internal refrigerant cylinder.
R Sensor is defective. Replace the load cell.
Perform action as indicated
Check for blockage in the ACS 651/751.
Fill the internal tank with refrigerant. Refer to chapter 4.10 for the procedure
Check for leakage in the part under flushing.
Check for blockage in the ACS 651/751.
The pressure is greater than 1400 mbar while vacuuming.
Perform recovery and restart flushing.
R Empty the used oil bottle.
R Perform scale reset
R If error persists.
R Weight limit reached. Reduce quantity of refrigerant in internal refrigerant cylin-
der.
R Load cell is defective. Replace the load cell.
Perform action as indicated.
R Weight limit reached. Reduce quantity of refrigerant in internal refrigerant cylin-
der.
R Load cell is defective. Replace the load cell.
Check for blockage in the vehicle A/C system.
R Check if the vehicle A/C system is on.
R Check for blockage in the ACS 651/751.
Fill the internal refrigerant cylinder
R Check for refrigerant load cell.
R Perform calibration
R Check for Temperature sensor
R Check for Solenoid valve on the air purge manifold.
R Check if the used oil bottle is disconnected. If the bottle is disconnected, con-
nect the bottle.
R Check if the used oil bottle is disconnected. If the bottle is disconnected, con-
nect the bottle.
Contact customer service.
The pressure is greater than 1400 mbar while recharging.
Perform recovery
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 bottle is disconnected, con-
nect the bottle.
Troubleshooting | ACS 651/751 | 95
1 689 988 238
en
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2012-11-06