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MDC CONTROLLER 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 shutdown. To resume operation, the
fault condition must be resolved. To reset the controller and resume operation, press the “FAULT RESET” button.
The operation of the Magnum Digital Controller (MDC) is divided into the following sections:
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
Description
1
AfterCool
Engine aftercooling, Cooling Pump output is closed.
2
Cooling
The unit is cooling before stop.
3
Cranking
Engine is cranking.
4
EmergMan
Emergency Manual gen-set operation.
5
Init
Autotest during controller power on.
6
Not Ready
The unit is not ready to start.
7
Pause
Pause between start attempts.
8
Prestart
Prestart sequence in process, Prestart output is closed.
9
Ready
The unit is ready to run.
10
Running
The unit is running at nominal speed.
11
Shutdown
Shutdown alarm is activated.
12
Starting
Starting speed is reached and the
idle timer
is running.
13
Stop
Stop.
No.
Electrical State
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 is indicated by ##### symbol
instead of measured value. Note: Oil Temp for John Deere engines
will always display #####.
2
Warning (WRN)
When warning comes up, see list of possible alarms.
3
Shutdown (SD)
When the shutdown alarm comes up the digital controller opens
outputs GCB CLOSE/OPEN, FUEL, SOLENOID, STARTER and
PRESTART to stop the engine immediately.
