Magnum MMG 230, Operating Manual

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MAGNUM DIGITAL CONTROLLER (MDC) INFORMATION DISPLAYS, FUNCTIONS AND
RESET
The Magnum Digital Controller (MDC) constantly monitors vital generator and engine functions for a number of
operation, alarm and fault conditions. When a fault condition occurs, the engine will shut down automatically and
the Liquid Crystal Display (LCD) window will show the fault that has caused the shut down. To resume operation,
the fault condition must be resolved. To reset the controller and resume operation, press the “FAULT RESET”
button.
MAGNUM DIGITAL CONTROLLER (MDC) – GENERATOR OPERATIONAL STATUS
The Magnum Digital Controller (MDC) displays the operational status of the generator using the following codes:
MAGNUM DIGITAL CONTROLLER (MDC) - ALARM MANAGEMENT
The Magnum Digital Controller (MDC) is capable of displaying the following alarms:
No. Engine State Machine Description
1 AfterCool Engine aftercooling, Cooling Pump output is closed.
2 Cooling The generator is cooling before stop.
3 Cranking Engine is cranking.
4 EmergMan Emergency Manual gen-set operation.
5 Init Autotest during controller power on.
6 Loaded
The generator is running at nominal speed and GCB OPEN/CLOSE is
closed.
7 Not Ready The generator is not ready to start.
8 Pause Pause between start attempts.
9 Prestart Prestart sequence in process, Prestart output is closed.
10 Ready The generator is ready to run.
11 Running The generator is running at nominal speed.
12 Shutdown Shut-down alarm is activated.
13 Starting Starting speed is reached and the
Idle timer
is running.
14 Stop Stop
No. Electrical State Machine Description
1 StabilTO Stabilization Timeout
No. Type Description
1 Sensor fail (FLS)
Sensor fail is detected when measured value is 6% out of the selected
characteristic. Sensor fail indicated by ##### symbol instead measured
value.
2 Warning (WRN) When warning comes up, see list of possible alarms.
3 Shut down (SD)
When the shut-down alarm comes up the Magnum Digital Controller opens
outputs GCB CLOSE/OPEN, FUEL, SOLENOID, STARTER AND
PRESTART to stop the engine immediately.
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