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Fault (RDC2)
Fault (OnCuer
Plus)
Emerg Stop
Emergency
Shutdwn
Stop
Eng Speed High
Engine Speed
Shutdwn
High
Eng Speed Low
Engine Speed
Shutdwn
Low
Exer Not Sch
ATS Exercise
Warning
Not Scheduled
Frequency Over
Generator
Shutdwn
Frequency High
Frequency Under
Generator
Shutdwn
Frequency Low
Ground Fault
Ground Fault
Warning
Warning
Lo Crank Vlt
Low Cranking
Warning
Voltage
Locked Rotor
Locked Rotor
Shutdwn
Main Power
Mains Power
Overload Shut-
Overload
down
Main Power
Main Power
Overload
Overload
Shutdown
Maint Req'd
Maintenance
Warning
Required
Not in Auto
Not In Auto
Warning
Oil Pressure Low
Engine Oil
Warning or
Pressure Low
Shutdown
TP-7102 9/21
Condition
The emergency stop switch has been
activated, or there has been an open circuit in
the wiring.
Engine speed exceeds 115% of the normal
running speed for more than 0.3 seconds.
Engine speed drops below 85% of the normal
running speed for more than 3 seconds.
Exercise Not Scheduled. No exercise has
been scheduled on the RDC2 controller.
Governed frequency exceeds 110% of the
system's frequency setpoint for more than 10
seconds. Function becomes active 10
seconds after engine start (10 second inhibit).
Governed frequency falls below 90% of the
system frequency setting for more than
10 seconds, or 1 Hz below the system
frequency setting for more than 60 seconds.
Function becomes active 10 seconds after
engine start (10 second inhibit).
The digital input for Ground Fault Warning is
active (low). (PIM required.)
Low cranking voltage. Battery voltage falls
below 60% of system battery voltage for more
than 6 seconds while the starter is engaged.
No engine rotation is sensed during cranking.
Shuts down 3 seconds after the fault is
detected.
Main power overload. An over current fault on
the 70 controller power output (short circuit).
Engine maintenance is due.
The generator set is not in Automatic
(standby) mode. Remote start and stop
commands from a transfer switch or remote
switch will be ignored.
The engine ECM indicates low oil pressure.
Note: The low oil pressure shutdown does not
protect against low oil level. Check the engine
oil level regularly as recommended in
Section 5.
Check
Determine the cause for the
Emergency Stop. Verify that the
condition has been corrected and it is
safe to apply power to the load before
resetting the emergency stop button.
Contact an authorized dealer for
service.
Contact an authorized dealer for
service.
Reduce the load by turning off
appliances.
Contact an authorized dealer for
service.
See Section 2.5 for instructions to set
the exerciser.
Contact an authorized dealer for
service.
Reduce the load by turning off
appliances and restart the generator
set.
Contact an authorized dealer for
service.
Check customer equipment
connected to the PIM.
Charge or replace the battery.
Contact an authorized dealer for
service.
Contact an authorized dealer for
service.
Check the maintenance schedule in
the operation manual for tasks such
as changing the oil, spark plugs or the
air filter.
Press AUTO to place the generator
set in Automatic mode, when
appropriate.
Check for signs of leaks in the
lubrication system.
Check the oil level and add oil if the
level is low.
Contact an authorized dealer for
service.
Section 2 Generator Set Operation
23
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