Kohler 14RCA Manual page 25

Warning (W) or
Shutdown (SD) Condition
Fault
Frequency Low SD *
Lo Crank Vlt W
Locked Rotor SD
MainPwrOverL SD
Not in Auto W
Oil Press Low SD *
Over Crank SD
Spd Sens Flt SD
Volts L1-L2 SD *
High
Volts L1-L2 Low SD *
* Engine cooldown runs before shutting down.
Figure 2-3 Controller Fault Messages
TP-7092 8/18
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).
Low cranking voltage. Battery voltage dropped
below 3.5 VDC during engine cranking.
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).
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 LOP switch indicates low oil pressure for
more than 5 seconds. Function becomes active
30 seconds after crank disconnect (30 second
inhibit).
Note: The low oil pressure shutdown does not
protect against low oil level. Check the engine
oil level regularly as recommended in Section 4.
Three unsuccessful starting attempts.
Engine speed sensor has failed or engine
stalled.
Generator voltage high. Output voltage exceeds
120% of the system nominal voltage for more
than 2 seconds.
Generator voltage low. Output voltage falls
below 80% of the nominal system voltage for
more than 10 seconds.
Check
Reduce the load and restart the
generator set.
Model 20RCA/20RCAL only: Check
enclosure thermostat and reset if
tripped. See Section 5.5.
Contact an authorized
distributor/dealer for service.
Charge or replace the battery.
Check the battery.
Check for loose connections.
Contact an authorized
distributor/dealer for service.
Contact an authorized
distributor/dealer for service.
Press AUTO to place the generator
set in Automatic mode, when
appropriate.
Check for leaks in the lubrication
system.
Check the oil level and add oil if the
level is low.
Check the oil pressure switch and
wiring.
Check the fuel supply, spark plug,
and battery.
Check for loose connections.
Contact an authorized
distributor/dealer for service.
Contact an authorized
distributor/dealer for service.
Contact an authorized
distributor/dealer for service.
Reduce the load and restart the
generator set.
Model 20RCA/20RCAL only: Check
enclosure thermostat and reset if
tripped. See Section 5.5.
Contact an authorized
distributor/dealer for service.
Section 2 Generator Set Operation 25