EN
139
BMW5500G RPA
Troubleshooting
The display shows
“Error 10”
It was not possible to reduce
the pressure sufficiently
during the
“Software test”
.
Residual pressure on the
pressure gauges?
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
“Software test”
.
Insert receptacle for drained
oil correctly.
Check that the solenoid valve
can move freely.
Check that the scale is work-
ing properly.
The display shows
“Error 12”
It was not possible to remove
any refrigerant from the
internal vessel 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
sufficiently.
Check the compressor and
pressure transducer.
The display shows
“Error 21”
Low pressure hose is leaking
or connected to an (empty)
air conditioning unit. Vac-
uum could not be reached.
Disconnect service hose
from the unit.
The display shows
“Error 22”
Low pressure hose is leaking
or connected to an (empty)
air conditioning unit. Vac-
uum 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 unit for leaks.
The display shows
“Error 25”
Not sufficient pressure for
refrigerant pressure test.
Check unit for leaks.
Check the refrigerant
quantity.
Is the ambient temperature
more than 10°C?
The display shows
“Error 30”
Pressure drop during leak
test.
Check unit for leaks.
Problem
Cause
Remedy
WaecoBMW5500GRPA_OPM_4445102321_EMEA(de-en-es-fr-ru)_202x-xx-xx.book Seite 139 Freitag, 6. November 2020 9:04 21
