Digital Engine Controller Description EM0046A21 (MRS17)
Figure 4-6 Operator Control Panel
Operating Modes and
Horn & Fault Reset
Manual
Display
Run
Stop
Menu
Group
LED Indicators
Note: The operator control panel is equyipped with a heater element that allows the LCD display to operate to −40°C (not the entire generator set, see generator specifications). This heater operates from the main battery power.
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 |
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X | X | High Coolant temperature |
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X | X | Low Oil pressure |
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X | X | Low Fuel level |
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X | X | Generator Under/Over Voltage |
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X | X | Generator Under/Over Frequency |
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X | X | Generator Over Current |
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X |
| Generator Overspeed |
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| X | Coolant temperature Low |
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| X | Starting battery Under/Over Voltage |
Manual Run | Immediately begins the crank cycle to start engine and produce power (MAN mode only). |
Start | Start generator set operation (MAN mode only). |
Stop | Stops the Engine and generator set (MAN mode only). |
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 | Reset 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. |
Enter + Y and B | Adjusts display contrast. |
Enter+ Fault Reset Clears engine ECU faults.
MN2417 | Operation |