InteliLite4 AMF20 Global Guide
102
MRS Operating Modes
OFF mode – MRS
No start of the Gen-set is possible. Controller stays in Not ready status and cannot be started in any way. The
buttons GCB , Start and Stop including the appropriate binary inputs for the external buttons are not
active.
IMPORTANT: When engine is running, it is not possible to switch Gen-set to OFF mode.
MAN mode – MRS
The engine can be started and stopped manually using the Start and Stop buttons (or the external
buttons wired to the appropriate binary inputs) in MAN mode. When the engine is running, GCB can be
closed.
AUTO mode – MRS
The controller does not respond to the buttons Start , Stop and GCB ON/OFF .Engine start/stop
request is given by binary input Remote Start/Stop (page 459).
5.5.2 Start-stop sequence
State Condition of the transition Action Next state
Ready Start request PRESTART (PAGE 496) on Prestart
Time (page 227) counter started
Prestart
RPM > 2 or Oil pressure >
Starting Oil Pressure (page 228)
or Generator voltage > 10V or D+
voltage is higher than D+
Threshold (page 243)
Stop (Stop
fail)
OFF Mode selected or Shutdown
alarm active
Not Ready
Not Ready RPM < 2, Oil pressure not
detected, Generator voltage < 10
V, D+ not Active no shutdown
alarm active, other than OFF
Mode selected
Ready
Prestart Prestart time elapsed FUEL SOLENOID (PAGE 477) on,
STARTER (PAGE 501) or Maximum
Cranking Time (page 226)
counter started
Cranking
Cranking RPM > Starting RPM STARTER (PAGE 501) or PRESTART
(PAGE 496) off
Starting
D+ input activated or oil pressure
detected or Generator voltage >
25% Nominal voltage
STARTER (PAGE 501) or PRESTART
(PAGE 496) off
Cranking
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