PAGE 60 — DCA300SSJU4F2 60 HZ GENERATOR • OPERATION MANUAL — REV. #0 (06/26/18)
MAINTENANCE
PROTECTION DEVICES
Automatic Shutdown System
This unit is equipped with engine protection devices that
automatically shut down the engine if any of the faults
shown in Table 18 occur. The “Shutdown” LED on the
ECU Controller will turn on just before the shutdown and
will stay on after the shutdown. Messages will appear on
the ECU display.
After the automatic shutdown, check all Diagnostic Test
Codes (DTC) displayed on the ECU Controller. Reference
the Troubleshooting Diagnostic section in this manual.
Place the Auto Start/Stop Switch in the “Off/Reset” position.
In addition, place all circuit breakers in the
OFF
position.
Before troubleshooting, allow sufficient time for adequate
cooling. Before attempting to restart the generator, perform
overall inspection of the generator and correct the problem
that caused the shutdown. If necessary, contact your
nearest Multiquip dealer for additional technical support.
Restart the generator as reference in the Generator Startup
Procedure (Manual Start).
NOTICE
Although the unit is equipped with engine protection
devices, regularly scheduled
preventative
maintenance
is strongly advised.
Table 18. Automatic Engine Shutdown System
Operating Parameter
ECU
Shutdown LED
Operating Condition/Set Point
Low Oil Pressure
ON
Set Point: 17 PSI ((117 kPa)
High water Temperature
ON
Set Point: 240°F (116°C)
Low Coolant Level
ON
Falls Below Specified Level
High Water Level In
Fuel Water Separator
ON
Water Level has Exceeded Filter Capacity
High Engine Fuel Temperature
ON
Fuel Temperature Too High
High Charged Air-Cooler
Outlet Temperature
ON
Fuel Temperature Too High
Exhaust System Severe
Malfunction
ON
Reference Exhaust System,
DEF, Regeneration Sections
Over-Voltage
ON
Set Point: 110%
Under-Voltage
ON
Set Point: 75%
High Power (kW)
ON
Set Point: 115%
Over-Frequency (Hz)
ON
Set Point: 110%
Under-Frequency (Hz)
ON
Set Point: 90%
Over-Current
Main CB Trip
Load Capacity Exceeded