““Warning/Derate/Shutdown””
The “Diagnostic” lamp turns “ON” and the warning
signal (red lamp) is activated. After the warning, the
engine power will be derated. The engine will
continue at the rpm of the set derate until a shutdown
of the engine occurs. The engine can be restarted
after a shutdown for use in an emergency.
A shutdown of the engine may occur in as little as 20
seconds. The engine can be restarted after a
shutdown for use in an emergency. However, the
cause of the initial shutdown may still exist. The
engine may shut down again in as little as 20
seconds.
If there is a signal for low oil pressure or for coolant
temperature, there will be a two second delay in
order to verify the condition.
For each of the programmed modes, refer to
Troubleshooting Guide, “Indicator Lamps” for more
information on Indicator Lamps.
For more information or assistance for repairs,
consult your Perkins dealer or your Perkins
distributor.
i05251914
Overspeed
An overspeed condition is detected by the Electronic
Control Module (ECM). The event code E190 will be
logged if the engine speed exceeds 3300 rpm. The
“DIAGNOSTIC” lamp will indicate a diagnostic fault
code. The diagnostic fault code will remain active
until the engine speed drops to 2800 rpm.
i05245147
Sensors and Electrical
Components
The illustrations within the following sections are
typical location of the sensors or electrical
components for an industrial engine. Specific
engines may appear different due to differences in
applications.
32
SEBU8731-04
Operation Section
Overspeed
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