Kohler 48RCLB/C

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