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MAGNUM DIGITAL CONTROLLER (MDC) - ALARM MANAGEMENT
The Magnum Digital Controller (MDC) is capable of displaying the following alarms:
MAGNUM DIGITAL CONTROLLER (MDC) - LIST OF ALARMS
Shutdown and warning fault conditions and the displayed message are described in the following table:
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 as #####.
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.
No.
Events
Specification
Protection
Type
Information on
Binary Output
Available
Description
1 AnInIOM Sd SD YES
Shutdown alarm configurable on the input of IG-IOM/
IGS-PTM.
2 AnInIOM Wrn WRN YES
Warning alarm configurable on the input of IG-IOM/
IGS-PTM.
3
Battery Flat (low
battery)
SD YES
If the controller switches off during starting sequence
due to bad battery condition, it doesn’t try to start again
and activates this protection.
4 Binary Input CONFIG. YES
Configurable Warning/Shutdown alarms on the inputs
of IL-NT.
5 ChrgAlternFail WRN YES Failure of the alternator to charge the battery.
6 EmergencyStop SD NO
If the red Emergency Stop switch is pushed or opened,
shutdown is immediately activated.
7 Engine Temp Sd SD NO
Water temperature is greater than Sd Water Temp set-
point.
8 Engine Temp Wrn WRN YES
Water temperature is greater than Wrn Water Temp
setpoint.
9 Fgen<, > SD YES
The generator frequency is out of limits given by Gen >f
and Gen <f setpoints.
10 Fuel Level Sd SD YES Fuel level is smaller than Sd Fuel Level setpoint (5%).
11 Fuel Level Wrn WRN YES
Fuel level is smaller than Wrn Fuel Level setpoint
(15%).
12 GCB fail SD NO Failure of the generator circuit breaker.
13 Igen unbl SD NO The generator current is unbalanced.
14 Low BackupBatt WRN NO RTC backup battery is flat (low).
15 Oil Press Sd SD NO Oil pressure is smaller than Oil Press Sd setpoint.
16 Oil Press Wrn WRN YES Oil pressure is smaller than Oil Press Wrn setpoint.
17 Overload SD YES
The load is greater than the value given by Overload
setpoint.
18 Overspeed SD YES
The protection comes active if the speed is greater than
Overspeed setpoint.
