Bosch ACS 751 Repair Instructions

1 689 975 223 2013-10-21| Robert Bosch GmbH
Troubleshooting | ACS 751/651 | 9ACS 751/651 | 9 | 9 en
4. Troubleshooting
4.1 By status messages
Error code Messages Actions
1001 RECOVERY
Service Timeout
R Check for blockage in the vehicle A/C system.
R Check for functionality of pressure sensor (PTA).
R Check for compressor connections.
R Check if internal parts of the manifold have blockage.
1002 RECOVERY
High pressure shutdown
R Check for blockage in the vehicle A/C system.
R Check for high pressure switch connection.
1003 RECOVERY
Used Oil bottle full
R Empty the used oil bottle.
R Perform scale reset.
R Check for used oil bottle scale.
1004 RECOVERY
Refrigerant cylinder full
R Weight limit reached. Reduce quantity of refrig-
erant in internal refrigerant cylinder.
R Scale is defective. Replace the scale.
R Check for used oil bottle scale.
1005 RECOVERY
Used Oil Bottle Not Found
R Check if the used oil bottle is disconnected. If the bot-
tle is disconnected, connect the bottle.
R Check the used oil bottle scale.
2001 VACUUMING
High Pressure in vehi-
cle. Perform Recovery
The pressure is greater than 1400 mbar while vacuuming
R Press "Yes" to continue the recovery.
R Press "No" to abort the operation.
2002 VACUUMING
Leak detected
Leakage detected in the vehicle A/C system. Repair the vehicle A/C system.
3001 OIL RECHARGE
Service Timeout
R Check the oil scale.
R Check for blockage on the oil charge solenoid path.
3002 OIL RECHARGE
High pressure in vehi-
cle - Perform Recovery?
The pressure is greater than 1400 mbar while recharging.
R Press "Yes" to continue the recovery.
R Press "No" to abort the operation.
3003 OIL RECHARGE
High pressure in vehi-
cle - Perform Vacuuming?
The pressure is greater than 1400 mbar while recharging.
R Press "Yes" to continue the recovery.
R Press "No" to abort the operation.
3004 OIL RECHARGE
Insufficient Oil Quantity
R Oil quantity is less than 30 ml. Refill the oil.
R Reset the fresh oil bottle scale
R Check the fresh oil bottle scale..
3006 OIL RECHARGE
Fresh oil Bottle Not Found
R Check if the fresh oil bottle is disconnected. If the bot-
tle is disconnected, connect the bottle.
R Check the oil bottle scale.
R Check for blockage on the oil charge solenoid path.
4001 UV DYE RECHARGE
Service Timeout
R Check for blockage in the hoses.
R Check the oil scale.
R Replace the scale.
4002 UV DYE RECHARGE
High pressure in vehi-
cle - Perform Recovery?
The pressure is greater than 1400 mbar while recharging.
R Press "Yes" to continue the recovery.
R Press "No" to abort the operation.
4003 UV DYE RECHARGE
High pressure in vehi-
cle - Perform Vacuuming
The pressure is greater than 800 mbar while recharging.
R Press "Yes" to continue the vacuuming.
R Press "No" to abort the operation.
4004 UV DYE RECHARGE
Insufficient UV Dye quantity
R UV dye quantity is less than 30 ml. Fill the UV dye bottle.
R Reset the UV dye bottle scale.
R Check the UV dye scale.
R Check for blockage on the oil charge solenoid path
4006 UV DYE RECHARGE
UV DYE Bottle Not Found
R Check if the UV dye bottle is disconnected. If the bot-
tle is disconnected, connect the bottle.
R Check for blockage on the oil charge solenoid path.
5001 R134a RECHARGE
Service Timeout
R Check for blockage in the ACS 751/651.
R Check if quick couplers are open.
R Check for blockage in the hoses.
5002 R134a RECHARGE
Insufficient R134a quantity
Fill the internal refrigerant cylinder.
5003 R134a RECHARGE
Recharge Failed - Check Hoses
R Check if HP and LP quick couplers are open.
R Check if the HP and LP service hoses are blocked.
R Check for blockage in the hoses

Bosch ACS 751 Specifications

General

Brand	Bosch
Model	ACS 751
Category	Service Equipment
Language	English