DSE Model 521 Remote Start Engine Management System - Operators Manual
DSE 521 ISSUE 4 4/4/02 MR
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OVERSPEED, if the engine speed exceeds the pre-set trip a shutdown is initiated. The Overspeed
LED
will flash. Overspeed is not delayed, it is an immediate shutdown.
FAIL TO START, if the engine fails to fire after the pre-set number of attempts to crank, the start
sequence is terminated. The
Fail to Start LED will flash.
FAIL TO STOP, if the generator fails to stop after the pre-set time, the Common Alarm LED will
flash. Two conditions must be met to signal that the generator has stopped, Oil Pressure has gone
low, and that no speed is sensed from either Magnetic Pickup or Alternator speed sensing sources.
UNDERSPEED, if the engine speed falls below the pre-set trip after the Safety On timer has
expired a shutdown is initiated. The
Common Alarm LED will flash.
SENSOR FAIL, if the speed sensing signal is lost during cranking, the Generator will shutdown
and the
Common Alarm LED will flash.
NOTE:- This will only occur if the speed sensing signal is lost during cranking or during
the safety on timer. If the signal is lost during normal operation the Generator will
shutdown with an Underspeed alarm.
AUXILIARY INPUTS, if an auxiliary input has been configured as a Shutdown the appropriate LED
will illuminate.
NOTE:- It is possible for the LED’s to be configured to indicate any of the 32 different
control sources in addition to the shutdowns and warnings detail above. Please refer to
the 808 Software Manual for detail on how to achieve this.
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