DSEGenset DSE8610, Operator'S Manual

Page: 94 / 118

Protections
94
Display Reason
UNDERSPEED
The engine speed has fallen below the pre-set trip after the
Safety On timer has expired.
GENERATOR OVER
FREQUENCY
The generator output frequency has risen above the preset level
GENERATOR UNDER
FREQUENCY The generator output frequency has fallen below the preset level
GENERATOR OVER VOLTAGE
The generator output voltage has risen above the preset level
GENERATOR UNDER
VOLTAGE The generator output voltage has fallen below the preset level
OIL PRESSURE SENSOR OPEN
CIRCUIT
The oil pressure sensor is detected as not being present (open
circuit)
AUXILIARY INPUTS
An active auxiliary input configured as a shutdown will cause the
engine to shut down. The display shows the text as configured by
the user.
LOSS OF SPEED SIGNAL
The DSE controller is not receiving the speed signal from the
magnetic pickup.
ECU DATA FAIL
The module is configured for CAN operation and does not detect
data on the engine Can data link, the engine shuts down.
ECU SHUTDOWN
The engine ECU has detected a shutdown alarm and has
informed the DSE module of this situation. The exact error is also
indicated on the module’s display.
kW OVERLOAD
The measured Total kW is above the setting of the kW overload
shutdown alarm
NEGATIVE PHASE SEQUENCE
Indicates ‘out of balance’ current loading of the generator.
Sometimes also called Negative Sequence Current or Symmetry
Fault
MAINTENANCE DUE
Indicates that the maintenance alarm has triggered. A visit is
required by the Generator service company.
GENERATOR HIGH CURRENT
A High Current condition has continued for an excess period,
then the alarm escalates to either a shutdown or electrical trip
condition (depending upon module configuration). For further
details of the high current alarm, please see High Current
Shutdown / Electrical Trip Alarm.
LOADING VOLTAGE NOT
REACHED
Indicates that the generator voltage is not above the configured
loading voltage after the safety timer. The generator will
shutdown.
LOADING FREQUENCY NOT
REACHED Indicates that the generator frequency is not above the
configured
loading frequency after the safety timer . The
generator will shutdown.
PROTECTIONS DISABLED Shutdown and electrical trip alarms can be disabled by user
configuration. In this case, Protections Disabled will appear on
the module display; The alarm text will be displayed but the
engine will continue to run. This is ‘logged’ by the module to allow
DSE Technical Staff to check if the protections have been
disabled on the module at any time. This feature is available from
V4 onwards.