Mdc Controller Information Displays, Functions And Reset; Mdc Controller - Generator Operational Status; Mdc Controller - Alarm Management - Magnum MMG 125 Operating Manual

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:
No. Engine State Machine
1 AfterCool
2 Cooling
3 Cranking
4 EmergMan
5 Init
6 Loaded
7 Not Ready
8 Pause
9 Prestart
10 Ready
11 Running
12 Shutdown
13 Starting
14 Stop
No. Electrical State Machine
1 StabilTO
MAGNUM DIGITAL CONTROLLER (MDC) - ALARM MANAGEMENT
The Magnum Digital Controller (MDC) is capable of displaying the following alarms:
No. Type
1 Sensor fail (FLS)
2 Warning (WRN)
3 Shut down (SD)
Engine aftercooling, Cooling Pump output is closed.
The generator is cooling before stop.
Engine is cranking.
Emergency Manual gen-set operation.
Autotest during controller power on.
The generator is running at nominal speed and GCB OPEN/CLOSE is
closed.
The generator is not ready to start.
Pause between start attempts.
Prestart sequence in process, Prestart output is closed.
The generator is ready to run.
The generator is running at nominal speed.
Shut-down alarm is activated.
Starting speed is reached and the Idle timer is running.
Stop
Stabilization Timeout
Sensor fail is detected when measured value is 6% out of the selected
characteristic. Sensor fail indicated by ##### symbol instead measured
value.
When warning comes up, see list of possible alarms.
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.
Description
Description
Description
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