Bosch ACS 751 Repair Instructions page 12

A/c service unit
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12 | ACS 751/651 | Troubleshooting
Error code
Messages
9209
SYSTEM ERROR Retry Op-
eration. Contact tech-sup-
port if problem persists
920A
SYSTEM ERROR Retry Op-
eration. Contact tech-sup-
port if problem persists
920B
SYSTEM ERROR Retry Op-
eration. Contact tech-sup-
port if problem persists
920C
SYSTEM ERROR Retry Op-
eration. Contact tech-sup-
port if problem persists
920D
SYSTEM ERROR Retry Op-
eration. Contact tech-sup-
port if problem persists
920E
SYSTEM ERROR Retry Op-
eration. Contact tech-sup-
port if problem persists
920F
SYSTEM ERROR Retry Op-
eration. Contact tech-sup-
port if problem persists
9300
SELF TEST FAILED
View Detail?
9400
RTC Failed
9600
PRINTER
Out of paper
A101
INTERNAL BOTTLE FILL
Service Timeout
A102
INTERNAL BOTTLE FILL
Used Oil bottle full
A103
INTERNAL BOTTLE FILL Re-
frigerant Cylinder Full
A104
INTERNAL BOTTLE FILL
High Pressure shutdown
A105
INTERNAL BOTTLE FILL
Low Pressure - Check ex-
ternal cylinder valve
A202
SHORT FLUSHING
Service timeout
A203
SHORT FLUSHING
Insufficient R134a quantity
A204
SHORT FLUSHING
Leak Detected
A205
SHORT FLUSHING
High Pressure shutdown
A206
SHORT FLUSHING
High Pressure in vehi-
cle. Perform Recovery?
|
1 689 975 223
2013-10-21
Actions
R Check the HMI board.
R Check the USB connection.
R Replace the HMI board.
R Check the HMI board.
R Check the USB connection.
R Replace the HMI board.
R Check the HMI board.
R Check the USB connection.
R Replace the HMI board.
R Check the HMI board.
R Check the USB connection.
R Replace the HMI board.
R Check the HMI board.
R Check the USB connection.
R Replace the HMI board.
R Check the HMI board.
R Check the USB connection.
R Replace the HMI board.
R Check the HMI board.
R Check the USB connection.
R Replace the HMI board.
Press "Yes" to view details. Press "No" to continue.
Replace the HMI board.
R Check if paper roll is present in the printer. If not, insert paper roll.
To order printer paper, use the order number F 002 DG1 450.
R Check for blockage in ACS 751/651.
R Check R134a scale.
Check if the used oil bottle is full. If the bottle is full, empty the bottle.
R Weight limit reached. Reduce quantity of refriger-
ant in the internal refrigerant cylinder.
R Refrigerant cylinder scale is defective. Replace the scale.
R Check for blockage in the vehicle A/C system.
R Check the connection to the high pressure switch.
R Check if the connection to the blue valve on the cylinder is open.
R Check for blockage in the blue hose.
R Check if the valve on the external cylinder is open.
R Check if R134a is available in the external cylinder.
R Check for blockage in the ACS 651/751.
Fill the internal refrigerant cylinder.
Repair the vehicle A/C system or part under flushing.
R Check for blockage in the vehicle A/C system.
R Check the connection to the high pressure switch.
R Check if the connection to the blue valve on the cylinder is open.
R Check for blockage in the blue hose.
The pressure is greater than 1400 mbar while vacuuming Press "Yes"
to continue the recovery. Press "No" to abort the operation.
Robert Bosch GmbH

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