Kohler 14/20RES Operation Manual page 42

Problem Possible Cause
Controller LED Controller is OFF (check the OFF LED)
display is off.
Controller fuse (F3) is blown.
Low or no battery voltage.
The generator set Fault shutdown
does not crank.
Battery weak or dead
Battery charger fuse blown
Battery connections reversed or poor
Fuse F2 blown
Fuse F3 blown
Controller is OFF (check the OFF LED)
The generator set
Air cleaner clogged
cranks but does not
Battery weak or dead
start, starts hard,
lacks power, or
Battery connection poor
operates erratically.
Spark plug wire connection loose
Low oil pressure shutdown
Fuel pressure insufficient
Engine malfunction
No AC output. AC circuit breaker in the OFF position
AC circuit breaker tripping because of overload
AC circuit breaker tripping because of short
circuit
Auxiliary winding circuit breaker tripped
Low output or Generator set overloaded
excessive drop in
voltage.
Generator set stops Low oil pressure shutdown
suddenly.
No fuel
Overcrank shutdown
Controller fuse (F3) blown
Overspeed shutdown
Generator set master switch in the OFF/RESET
position
Remote stop command received from a remote
switch or ATS
Engine malfunction
Auxiliary winding circuit breaker tripped
Figure 4-2 General Troubleshooting Chart
42 Section 4 Troubleshooting
Corrective Action
Press RUN to start the generator set or AUTO for
automatic operation.
Replace the fuse. If the fuse blows again, contact
an authorized distributor/dealer.
Check battery connections.
Check the engine starting battery and battery
charger. See Figure 4-3.
Check for a fault code on the controller display. See
Section 2.9.
Check power to the battery charger. See
Figure 4-3.
Recharge or replace the battery.
Replace the fuse. Contact an authorized distributor/
dealer for service if fuse blows repeatedly.
Check battery connections.
Replace the fuse. Contact an authorized distributor/
dealer for service if fuse blows repeatedly.
Replace the fuse. Contact an authorized distributor/
dealer for service if fuse blows repeatedly.
Press AUTO for remote start or RUN for local start.
Clean and/or replace the air cleaner.
Check power to the battery charger.
Recharge or replace the battery.
Clean and tighten the battery connections.
Check the spark plug wires.
Check the oil level.
Check the fuel supply and valves.
Contact an authorized distributor/dealer.
Place the circuit breaker in the ON position.
Reduce the load on the generator set.
Contact an authorized distributor/dealer for service.
Reset the circuit breaker. See Figure 4-1. Contact
an authorized distributor/ dealer for service if circuit
breaker trips repeatedly.
Reduce the load.
Check the oil level. Check for signs of oil leaks.
Check fuel supply. Contact fuel supplier.
Reset the controller. If the overcrank fault occurs
again, contact an authorized distributor/dealer.
Replace the fuse. If the fuse blows again, contact
an authorized distributor/dealer.
Reset the controller. If the overspeed fault occurs
again, contact an authorized distributor/dealer.
Move the switch to the correct position (RUN or
AUTO).
Check the remote switch position.
Contact an authorized distributor/dealer.
Reset the circuit breaker. See Figure 4-1. Contact
an authorized distributor/dealer for service if circuit
breaker trips repeatedly.
TP-6734 5/10