4.
Press ENTER to update the software or database.
The A/C service unit shows the progress of the update:
Wait...
Erase flash... Erased!
Writing
After the update, the A/C service unit sets the default settings:
Wait!
loading default
parameters
The A/C service unit then restarts and the standby menu appears.
5.
Remove the USB flash drive.
The A/C service unit is ready for operation.
14.11
Cleaning and inspection
• Clean the exterior of the A/C service unit with a damp cloth as required. If necessary, use a small amount of
dishwashing detergent. Do not use solvents or scouring agents.
• Check the service hoses and the service couplings for damage regularly. Do not start up the A/C service unit if
it is damaged.
15 Troubleshooting
Problem
The display shows Warning! Inter-
nal vessel overpressure!.
The display shows Warning! Inter-
nal vessel filled.
The display shows Warning! Pres-
sure inside the A/C system. Re-
covery start!
The display shows Warning! Pres-
sure inside the A/C system!
The display shows Not enough vacu-
um! Carry on?
The display shows A/C system leak-
age! Carry on?
The display shows Drained oil glas
emptying!
The display shows Warning! Not
enough vacuum for injection!
The display shows Quantity too
large. Fill internal vessel!
1
63488
7%
762751
Possible cause
Normal message that appears during
the recycling process.
The internal refrigerant container is too
full to hold the quantity to be extracted.
Normal message that appears at the
start of the vacuum process. There is
still pressure present in the air condi-
tioning system.
Message during the vacuum process.
There is pressure in the air conditioning
system.
Message that appears during the vac-
uum process if the pressure in the air
conditioning system after 8 min is still
more than 50 mbar.
Message at the end of the vacuum
process. The air conditioning system
shows a vacuum loss of more than
120 mbar during the checking time.
This message appears during the ex-
traction or recycling process if there is
more than 150 ml of used oil in the con-
tainer.
Message that appears during the filling
phase if the vacuum in the air condi-
tioning system is insufficient to end the
process.
Message that appears during the
process input if there is not enough
15 Troubleshooting
Suggested remedy
To continue, press ENTER for three
seconds. If this message appears re-
peatedly, notify customer services.
Drain the internal refrigerant container
in the proper manner.
No action is required. The process con-
tinues automatically.
No action is required. The process con-
tinues automatically.
Check the air conditioning system or
the connections between it and the A/C
service unit for leaks.
Check the air conditioning system or
the connections between it and the A/C
service unit for leaks.
Dispose of the content of the used oil
container in an environmentally respon-
sible manner.
Check the air conditioning system or
the connections between it and the A/C
service unit for leaks.
Fill the refrigerant container.
35