67
VAS 581 001A
What to do, when?
The display shows
“Error 09”
Low pressure connection not
connected to the rinsing con-
tainer during the rinsing pro-
cess.
Connect low pressure hose
to the rinse box and open
valve.
The display shows
“Error 10”
It was not possible to reduce
the pressure sufficiently
during the software test.
Residual pressure on the
pressure gages?
Check pressure transducer
calibration.
Check internal bottle pres-
sure.
Check the compressor and
the corresponding solenoid
valves.
The display shows
“Error 11”
It was not possible to drain
any used oil during the soft-
ware test.
Insert the used oil container
correctly.
Check that the solenoid valve
can move freely.
Check scale function.
The display shows
“Error 12”
It was not possible to remove
any refrigerant from the inter-
nal tank during the software
test.
Check pressure transducer
calibration.
Check if the valve on the
internal vessel is open.
Check the RE valve.
The display shows
“Error 20”
The compressor could not
reduce the internal pressure
enough.
Check the compressor and
pressure transducer.
The display shows
“Error 21”
Low pressure hose is leaking
or connected to an (empty)
air conditioning unit. Vacuum
could not be reached.
Disconnect service hose
from the unit.
The display shows
“Error 22”
High pressure hose is leak-
ing or connected to an
(empty) air conditioning unit.
Vacuum could not be
reached.
Disconnect service hose
from the unit.
The display shows
“Error 23”
Not enough vacuum.
Check device and used oil
container for leaks.
Check the vacuum pump.
The display shows
“Error 24”
Pressure increase during
vacuum test.
Check device for leaks.
The display shows
“Error 25”
Not sufficient pressure for
refrigerant pressure test.
Check device for large leaks.
Check the refrigerant quan-
tity.
Is the ambient temperature
more than 10 °C?
Fault
Cause
Solution
VAS-581-001A--O-US.book Seite 67 Montag, 17. Februar 2020 8:25 20
