DSE Model 5320 Automatic Mains Failure & Instrumentation System Operators Manual
Part No. 057-014 5320 OPERATING MANUAL ISSUE 5.1 18/06/2007 ADM 15
4.3 HIGH CURRENT WARNING ALARM
GENERATOR HIGH CURRENT, if the module detects a generator output current in excess of the pre-set trip a
warning is initiated. Alarm Warning High Current will be displayed. If this high current condition continues for an
excess period of time, then the alarm is escalated to a shutdown condition. For further details of the high current
alarm, please see High Current Shutdown Alarm.
Alarm
Warning
High current
4.4 SHUTDOWNS
Shutdowns are latching and stop the Generator. The alarm must be cleared, and the fault removed to reset the
module.
NOTE:- The alarm condition must be rectified before a reset will take place. If the alarm condition
remains it will not be possible to reset the unit (The exception to this is the Low Oil Pressure alarm and
similar ‘delayed alarms’, as the oil pressure will be low with the engine at rest).
FAIL TO START, if the engine does not fire after the pre-set number of attempts has been made a shutdown will
be initiated. Alarm Shutdown Fail To Start will be displayed.
Alarm
Shutdown
Failed to start
EMERGENCY STOP, removal of the Positive DC Supply from the Emergency Stop input initiates the following
sequence, firstly it will initiate a controlled shutdown of the Generator and prevent any attempt to restart the
Generator until the Emergency Stop push-button has been reset. Secondly it removes the Positive DC supply from
both the Fuel Solenoid and Starter Solenoid.
Alarm Shutdown Emergency Stop will be displayed.
Alarm
Shutdown
Emergency stop
NOTE:- The Emergency Stop Positive signal must be present otherwise the unit will shutdown.
LOW OIL PRESSURE, if the module detects that the engine oil pressure has fallen below the low oil pressure trip
setting level after the Safety On timer has expired, a shutdown will occur. Alarm Shutdown Low Oil Pressure will
be displayed.
Alarm
Shutdown
Low oil pressure
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