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QUANTUM Electronic Fuel System - OperationQUANTUM Electronic Fuel System - Operation
When the 'Stop' light on the dash panel illuminates, the computer has detected aWhen the 'Stop' light on the dash panel illuminates, the computer has detected a
major malfunction in the engine that requires immediate attention. It is the operatorsmajor malfunction in the engine that requires immediate attention. It is the operators
responsibility to shut down the engine to avoid responsibility to shut down the engine to avoid serious damage.serious damage.
The machine is equipped with an The machine is equipped with an engine protection derate system, which recordsengine protection derate system, which records
fault codes when an out-of-range conditions is found. The 'Fluid' fault codes when an out-of-range conditions is found. The 'Fluid' light illuminateslight illuminates
when the engine protection derate system is initiated. The engine power and speedwhen the engine protection derate system is initiated. The engine power and speed
will be gradually reduced depending on the level of severity will be gradually reduced depending on the level of severity of the out-of-rangeof the out-of-range
condition. The 'Fluid' light will start to flash if the out-of-range condition continues condition. The 'Fluid' light will start to flash if the out-of-range condition continues toto
get worse. The operator MUST shut down the get worse. The operator MUST shut down the engine to avoid serious engine to avoid serious damage.damage.
The engine should not be restarted after it has been shut down after activation of The engine should not be restarted after it has been shut down after activation of thethe
engine protection derate system unless the engine protection derate system unless the problem has been diagnosed andproblem has been diagnosed and
corrected.corrected.
Conditions that will cause the amber 'Fluid' light to come on are; Low coolant level,Conditions that will cause the amber 'Fluid' light to come on are; Low coolant level,
High coolant temperature, Idle validation/throttle pedal sHigh coolant temperature, Idle validation/throttle pedal switch mismatch, High intakewitch mismatch, High intake
manifold temperature, Low oil pressure and High fuel rail pressure.manifold temperature, Low oil pressure and High fuel rail pressure.
Whenever the 'Stop', 'Warning' or 'Fluid' light comes on, the Electronic Fuel SystemWhenever the 'Stop', 'Warning' or 'Fluid' light comes on, the Electronic Fuel System
computer will determine where the problem is and will store this icomputer will determine where the problem is and will store this information in itsnformation in its
memory. If the malfunction is intermittent, the lights will come on and go off as thememory. If the malfunction is intermittent, the lights will come on and go off as the
computer senses the changing engine condition.computer senses the changing engine condition.
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