NOTICE:
When the RSL (Stop Engine) comes on, the system has detected
a major malfunction in the engine that requires immediate attention.
It is
the operator's responsibility to shut down the engine to avoid serious
damage.
The engine can be configured to give a warning only, to ramp down (reduce power)
or to shut down. Ramp down will reduce engine rpm to a predetermined speed, but
will not shut down the engine. With the 30-second shutdown option, the engine will
begin a 30-second, stepped power down sequence until it shuts down completely.
The "Stop Engine Override" feature can be activated in the case where the vehicle
is operating in a critical location.
Stop Engine Override Switch
This feature allows the operator to override the automatic Stop Engine sequence.
This is done by pressing the Stop Engine Override Switch every 15 to 20 seconds
to prevent engine shutdown from occurring.
NOTE:
Continuously holding down the Stop Engine Override Switch will not
prevent the engine shutdown sequence. You must continue to reset the
automatic shutdown system by pressing the Stop Engine Override Switch at
intervals of approximately 15 to 20 seconds.
It takes 30 seconds from the time the automatic shutdown sequence begins until
engine shutdown. Therefore, the operator
must
press the override switch just prior
to engine shutdown and continue to do so until the vehicle can be brought to a stop
in a safe location.
Immediate Speed Reduction
The immediate speed reduction option will bring engine rpm back to a
predetermined speed, but will not shut down the engine.
The engine should not be restarted after it has been shut down by the engine
protection system, unless the problem has been located and corrected.
Red Stop Lamp
The conditions that will cause the RSL (Stop Engine) to come on are:
• High coolant temperature
• Loss of coolant
• High oil temperature
• Low oil pressure
• Auxiliary shutdown
Whenever the AWL (Check Engine) or the RSL comes on, the DDEC system will
determine where the problem is and will then store this information in its memory.
GHG17 DD Medium Duty Operators Manual
All information subject to change without notice.
33
DDC-SVC-MAN-0192
Copyright © 2022 DETROIT DIESEL CORPORATION
