10.2.3
Malfunction of the oil systems (XX20NN to XX31NN)
Tab 10-7
Lubricating oil supply pressure at the engine inlet is too low
Indication
Possible cause
Procedure
PT2001A
PT2012A (if applica-
ble)
The oil supply system is defective
•
Find the cause and repair the fault.
Tab 10-8
Lubricating oil supply pressure upstream of the injectors is too low
Indication
Possible cause
Procedure
PT2003A
If applicable: the injector oil valve
8423_E0_1 is defective
•
Open the shut-off valve 8423_E0_2.
•
Repair the injector oil valve.
If injector oil valve 8423_E0_1 is
not applicable: shut-off valve
8423_E0_2 is closed
•
Open the shut-off valve 8423_E0_2.
An injection valve is defective or a
pipe is clogged
•
Find the cause and repair the fault.
The alarm has no effect at engine standstill.
Tab 10-9
Lubricating oil supply temperature at the engine inlet is too high
Indication
Possible cause
Procedure
TE2011A
TE2012A (if applica-
ble)
The oil supply system is defective
•
Find the cause and repair the fault.
Tab 10-10 Lubricating oil supply pressure upstream of the crossheads is too low
Indication
Possible cause
Procedure
PT2021A
The crosshead oil supply system is
defective
•
Decrease the engine load.
•
Find the cause and repair the fault.
Tab 10-11 Servo oil pressure in the distributor pipe (mini rail) is not in the permitted range
Indication
Possible cause
Procedure
PT2041A
There is an incorrect setting of the
pressure reducing valve
•
Set the pressure reducing valve to the cor-
rect value.
There is an incorrect setting of the
safety valve
•
Set the safety valve to the correct value.
The filter or the opening in the ex-
haust valve control unit is clogged
•
Clean the filter or the exhaust valve control
unit.
A servo oil pump or the servo oil
service pump is defective
•
Repair the defective pumps.
X72-B
AA00-0000-00AAA-410C-A
Operation Manual
Malfunctions of systems and components
Winterthur Gas & Diesel Ltd.
- 393 -
Issue 003 2021-12
