Fault handling
Despite regular service in accordance with the planned maintenance schedule and perfect operating conditions,
faults may occur that must be remedied before operations continue. This chapter describes the diagnostics
function, simple fault tracing and the fault code register.
Diagnostic Function
The purpose of the diagnostic function is to monitor,
control and protect the engine and its surrounding
system and components from damage, as well as to
ensure a minimal environmental impact.
If a malfunction is detected the diagnostic function
informs
of the occurred fault in the form of a fault code.
The fault code provides guidance when fault tracing.
All fault codes and fault messages can be found in the
Fault Code Register.
The operator is warned that there is a malfunction via
the instruments. Depending on the instrumentation in
use, the fault message is shown in various ways. Fault
codes can also be read out by the Volvo Penta
diagnostic tool.
Depending on the severity of the fault, the diagnostic
function will take various actions to protect the engine
and limit emissions (e.g. torque derate, idle speed only,
engine shut down etc. )
DCU II (Display Control Unit)
DIAGNOSTICS
If the system detects a malfunction the driver/operator
is informed via a pop-up message on the display. The
fault codes are listed in the diagnostics menu; active
fault codes are at the top of the list and are denoted by
a green dot. For more detailed information regarding
the cause and remedies, use the arrow buttons to scroll
to the fault concerned and press
. This will also
provide
information about the number of engine hours
when the fault became active and the SPN and FMI
codes.
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47711083 09-2018 © AB VOLVO PENTA
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