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Engine Protection Mode
In a low oil pressure or engine overheat situation, the
engine will trigger the Engine Protection Mode (EPM).
In such cases, if an acoustic alarm has been installed
with your engine, it will sound to notify you of a mal-
function.
Volvo Penta provides an audible alarm with every
engine, however its installation is determined by the
manufacturer of your boat. If your boat does not have
an audible alarm, we strongly recommend that you
contact your dealer to have one installed.
If the engine triggers protection mode, its speed
(RPMs) may be reduced or it may shut down, depend-
ing on the engine equipment and circumstances.
Under most conditions, engine operation is limited to
3000 RPMs or less. For mild engine overheating,
engine speed reduction will be 4200 RPMs. When the
engine enters EPM, there will be a temporary reduction
in power until the problem is resolved.
We strongly
urge you to bring the engine to idle to investigate
the problem.
If the acoustic alarm stops sounding, the
malfunction has been cleared and the engine may now
be operated normally.
Use the oil pressure and water temperature gauges to
verify a problem exists, then inspect the engine crank-
case for proper oil level and check the water inlets for
obstructions. The low oil pressure/engine overheat
problem must be corrected before the engine will
return to normal operation.
To reset the Engine Protection Mode after the problem
is corrected, reduce engine speed to idle, allow the
engine to cool, and then continue with normal opera-
tion.
If you are unable to locate and resolve the problem,
you may be able to continue operating the engine at
above idle speed, keeping in mind that the acoustic
alarm will continue sounding and the engine speed will
remain at a reduced level.
NOTICE!
Continuing to run the engine, with EPM
active and without correcting the cause of the problem,
may result in engine damage or equipment failure
which may not be covered by your warranty.
If the problem continues, contact your Volvo Penta
dealer and have the engine inspected.
51279c
Troubleshooting
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