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Operation
Alarm
If a fault occurs, the audible warning will sound and
the relevant warning lamp on the alarm panel will
start to flash and the display will show a alarm pop-up.
1. Reduce engine speed to idling.
2. Acknowledged the larm by pressing the naviga-
ton wheel on the control panel once.
When the fault has been acknowledged, the lamp
concerned gives constant light and the audible war-
ning will become silent.
Please refer to the “In case of emergency” chapter,
and you will find detailed information about recom-
mended action in the “Diagnostic function” section.
The fault will also be stored in the form of a fault code
for as long as the malfunction remains. It is possible
to read the fault code during a subsequent service.
Cruising speed
Avoid operation at full throttle, for best fuel economy.
We recommend a cruising speed which is at least
10% below the maximum engine speed at full speed
(full throttle). The maximum engine speed will vary
due to propeller choice, load and sea conditions, but it
should be in the full throttle range.
Full throttle range:
D12D-C MH rating 1 .......... 1800–1850 rpm.
rating 2 .......... 1900–1950 rpm.
If the engine does not reach the full throttle range,
this could be caused by a number of factors which
are noted in the “Fault tracing” chapter. If the engine
speed exceeds the full throttle range, select a coar-
ser pitch propeller. Ask your Volvo Penta dealer for
advice.
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