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Low Fuel Level (diesel-powered models only). The fault lamp illuminates yellow and the alarm horn sounds when the fuel
tank level on diesel-fueled models approaches empty. This fault requires an optional low fuel level switch for the lamp to function.
The local display shows Fuel Level Low Warning.
Low Fuel Pressure (gas-powered models only). The fault lamp illuminates yellow and the alarm horn sounds when low fuel
pressure on gaseous-fueled models occurs. This fault requires an optional low fuel pressure switch for the lamp to function. The
local display shows Fuel Press Low Warning.
Low Oil Pressure. The fault lamp illuminates yellow and the alarm horn sounds when the engine oil pressure approaches the
shutdown range. The low oil pressure warning does not function during first the 30 seconds after startup. The local display shows
Oil Press Low Warning.
Not in Auto (Generator Master Control Switches). The fault lamp illuminates yellow and the alarm horn sounds when the
generator set master control button is in the RUN or OFF/RESET mode. The local display shows Not In Auto Warning.
Speed Sensor Fault. The fault lamp illuminates yellow and the alarm horn sounds when the speed signal is absent for one
second while the generator set runs. The local display shows Spd Sens Flt Warning.
2.4.6 System Fault Shutdown Lamp with Digital Displays
The system FAULT lamp glows red, the alarm horn sounds, and the unit shuts down to indicate a fault shutdown under the
following conditions. See the section titled: Controller Resetting procedure, for information on resetting a system shutdown.
Use the Alarm Off button to silence the alarm horn at the operator’s discretion.
If the controller is set up for an NFPA 110 application, press the AUTO button before silencing the alarm horn. The alarm horn
cannot be silenced unless the master control button is in the AUTO mode. See the section titled: Status and Notice Digital
Displays for more information.
Note:
Text shown in italics in this section of the manual represents digital display messages.
AC Sensing Loss. The fault lamp illuminates red, the alarm horn sounds, and the unit shuts down when the controller does not
detect the nominal generator set AC output voltage for more than 3 seconds after crank disconnect. The controller displays AC
Sens Loss Shutdwn.
Alternator Protection. The fault lamp illuminates red and the unit shuts down because of an alternator overload or short circuit.
The local display shows Alt Protect Shutdwn. See Appendix titled: Alternator Protection for more information.
Auxiliary Input (Shutdown). The fault lamp illuminates red, the alarm horn sounds, and the unit shuts down when an auxiliary
digital or analog inputs signals the controller. The digital inputs do not function during first the 30 seconds after startup. Use
SiteTech™ software to define inputs as shutdowns or warnings. The local display shows Aux Input Shutdwn.
Common Fault. The fault lamp illuminates red, the alarm horn sounds, and the unit shuts down when the controller is signaled
by a common fault. Use SiteTech™ software to activate the common fault shutdown. The local display shows Common Fault
Shutdwn. The common fault comprises the following shutdowns under a single alert.
• Emergency stop
• Engine over speed
• High coolant temperature
• Low oil pressure
• Overcrank
ECM Address Conflict. The fault lamp illuminates red, the alarm horn sounds, and the unit shuts down when the controller
detects an error with the ECM address. The local display shows ECMAddr Err Shutdwn.
ECM Communications Loss. The fault lamp illuminates red, the alarm horn sounds, and the unit shuts down when the ECM
communication link is disrupted. The local display shows ECM Comm Err Shutdwn.
ECM Diagnostics (Multiple Engine Inputs). The fault lamp illuminates red, the alarm horn sounds, and the unit shuts down
when ECM diagnostics signals the controller. The local display shows ECM xxxxx Shutdwn. The specific display (xxxxx) will be
a brief message or fault code that is engine manufacturer dependent. The engine literature provides the fault code description
and further information.
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