Operation 4-9
MN2417
Digital Engine Controller Description EM0046A21 (MRS17)
Figure 4-6 Operator Control Panel
Stop
Manual
Run
Display
Menu
Group
LED Indicators
Operating Modes and
Horn & Fault Reset
LED Indicators Alarm (red) − Alarm (shutdown) condition occurred. Annunciates & shuts down generator.
Not In Auto (red) − Control is not in auto mode and cannot provide standby power.
Running (green) − Generator is running, no alarms or warnings.
Warning (yellow) − A warning condition has occurred. Annunciates only.
Ready/Auto (green) − Control is in Auto mode and ready to provide standby power.
Supplying Load (green) − Generator is providing output voltage to load.
Table 4-3 Alarm & Warning Conditions
Alarm Warning
X High Coolant temperature
X Low Oil pressure
X Low Fuel level
X Generator Over Voltage
X Generator Over Frequency
X Generator Over Current
X Generator Overspeed
X Coolant temperature High/Low
X Starting battery Over/Under Voltage
Manual Run Immediately energizes the crank cycle to start the generator set and produce power.
Start Start generator set operation.
Stop Stops the Engine and generator set.
Display Displays setpoints, adjustments, Alarms and Warning conditions and Operating Mode selections.
Page Changes menu displayed − Measurement, Adjustment or History.
Mode A and " Allows selection of OFF − MAN − AUTO mode choices.
Horn Reset Deactivates the Horn output.
Fault Reset Acknowledge Alarms and Warnings.
Y and B Selects the menu choice, select the setpoint or select the menu or increase/decrease the
setpoint value.
Enter Confirm and accept changed setpoint value.
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