Mebay DC30D - Speed and Sensor Alarms

DC30D GENSET CONTROLLER USER MANUAL
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If the number of cranks exceeds the predetermined number of cranks, the failure of
start-up will be reported if the start-up of the generating unit is still unsuccessful.
"ALARM" lights on, without stopping the engine, and displays " Crank failure " on
the LCD screen.
 Shutdown Alarms
Warning: After the Shutdown Alarm occurs, the system will be locked
immediately and the generator set will be stopped.Only after troubleshooting, press
key to clear the alarm, can it be re-operated.
Notes：When the shutdown alarm failure occurs, the "ALARM" lights flicker
and the generator unit automatically stops.
Over Speed Alarm
When the controller detects that the engine speed is higher than “ Over speed
alarm”, Then start alarm delay and the duration (Emergency delay) have not returned
to normal, the alarm of over speed is reported. "ALARM" lights flicker, Generator
stops running, and displays " Over Speed " on the LCD screen.
Under Speed Alarm
When the controller detects that the engine speed is under than “ Under speed
alarm”, Then start alarm delay and the duration (Normal alarm delay) have not
returned to normal, the alarm of under speed is reported. "ALARM" lights flicker,
Generator stops running, and displays " Under Speed " on the LCD screen.
Oil Pressure Sensor Opened Alarm
When the safety delay is over, the controller detects that the Oil Pressure Sensor is
disconnected, Then start alarm delay and the duration (Normal alarm delay) have not
returned to normal, the alarm of the Oil Pressure Sensor opened is reported.
"ALARM" lights flicker, Generator stops running, and displays " OP sensor open" on
the LCD screen.
Temperature Sensor Opened Alarm
When the safety delay is over, the controller detects that the Temperature Sensor is
disconnected, Then start alarm delay and the duration (Normal alarm delay) have not
returned to normal, the alarm of the Temperature Sensor opened is reported.
"ALARM" lights flicker, Generator stops running, and displays " WT sensor open "
on the LCD screen.
Fuel Level Sensor Opened Alarm
When the safety delay is over, the controller detects that the Fuel Level Sensor is
disconnected, Then start alarm delay and the duration (Normal alarm delay) have not
returned to normal, the alarm of the Fuel Level Sensor opened is reported. "ALARM"
lights flicker, Generator stops running, and displays " FL sensor open " on the LCD
screen.