Fault Handling - Volvo Penta D8 2020 Operator's Manual

Fault handling

Despite regular maintenance according to the maintenance schedule and perfect operation conditions, faults that
need to be attended to during travel, may occur. This chapter describes some possible alarms and fault handling.
Note that the content of this chapter does not provide full coverage of the possible fault messages and alarms.
Contact a Volvo Penta workshop for assistance with diagnostic readouts and unresolved faults.
47712598 09-2020 © AB VOLVO PENTA
Message from engine and MCC system
If a malfunction is discovered the driver is warned by a
buzzer sounding and a message showing in the
display.
Information regarding "cause of fault" and "measures
to take" is found in chapter Fault Code Register.
The engine, transmission and MCC system is
monitored by the diagnostic function. Should the
diagnostic function discover a malfunction it protects
the engine and ensures continued operation by
affecting the engine. Depending on how serious the
malfunction is the effect on the engine varies.
If following error message appears: Malfunction
Indicator Lamp (MIL). Neglects MIL: or (MIL) may
invalidate the engine emission certificate. This means
AB Volvo Penta can no longer guarantee engine
conformity with the certified model. Volvo Penta is not
responsible for damages or costs arising as a result of
this.
• Minor malfunction which does not damage the
engine or transmission.
Affect on engine: None.
• Serious malfunction which will not immediately
damage the engine or transmission e.g. high
coolant temperature.
Affect on engine: Engine power is reduced until
faulty value becomes normal.
• Serious malfunction which will cause serious
damage to engine or transmission.
Affect on engine: Engine power is reduced.
• Serious malfunction which makes it impossible to
control the engine or transmission.
Affect on engine: Transmission is disengaged and
engine speed is reduced.
It is possible to perform emergency shifting, please
refer to In Case of Emergency, page 57.
• Serious malfunction on transmission or in the engine
fuel injection system.
Affect on engine: Engine is stopped.
It is possible to perform emergency shifting, please
refer to In Case of Emergency, page 57. In
emergency situations it is also possible to start the
engine with gear engaged after acknowledging the
alarm.
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