Operator`s manual

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 shut down. 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 Machine 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 Loaded

The unit is running at nominal speed and GCB OPEN/CLOSE is

closed.

7 Not Ready The unit is not ready to start.

8 Pause Pause between start attempts.

9 Prestart Prestart sequence in process, Prestart output is closed.

10 Ready The unit is ready to run.

11 Running The unit 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.