Troubleshooting - Kohler 14RCA Instructions Manual

5.7

Troubleshooting

Figure 69 contains generator set troubleshooting, diagnostic, and repair information. Check for loose connections before
replacing parts.
Problem Possible Cause
Controller display
Backlight turns off after about 1 minute with no activity.
backlight is off.
Controller display
Low or no battery voltage.
is off.
Battery weak or dead.
Battery connections reversed or poor.
Emergency stop switch activated.
The generator set
does not crank.
Fault shutdown.
Generator set in the OFF mode.
Generator thermostat tripped.
Air cleaner clogged.
Battery weak or dead.
The generator set
cranks but does
Battery connection poor.
not start, starts
Spark plug wire connection loose.
hard, lacks
Low oil pressure shutdown.
power, or
operates
erratically.
Fuel pressure insufficient.
Engine malfunction.
Line circuit breaker in the OFF position.
Line circuit breaker tripping because of overload.
No AC output.
Line circuit breaker tripping because of short circuit.
Auxiliary winding circuit breaker tripped.
Low output or
excessive drop in Generator set overloaded.
voltage.
Low oil pressure shutdown.
No fuel.
Overcrank shutdown.
Auxiliary winding circuit breaker tripped.
Emergency stop switch activated.
Generator set
stops suddenly.
Fault shutdown.
Generator set in the OFF mode.
Remote stop command received from a remote switch,
ATS, or OnCue
Generator thermostat tripped.
Engine malfunction.
Figure 69 General Troubleshooting
84
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Plus.
Corrective Action
Backlight will turn on when a button is pressed or the
generator set starts.
Check connections.
Check generator set battery. See the Service Views
section.
Recharge or replace the battery. Make sure that the AC
power to the generator set controller is backed up by the
generator set.
Check the connections.
Verify that it is safe to start the engine and apply load.
Then reset the stop switch or engine shutdown switch.
Check the controller display for fault messages. Correct
the fault condition and reset the controller.
Press the RUN button to start the engine or press AUTO to
allow remote starting.
Check for obstructed air inlets and outlets. Reset the
thermostat.
Clean and/or replace the air cleaner.
Recharge or replace the battery.
Clean and tighten the battery connections.
Check the spark plug wires.
Check for oil leaks. Check the oil level and add oil if
necessary.
Check the fuel supply and valves.
Contact an authorized Kohler dealer.
Place the circuit breaker in the ON position.
Reduce the load on the generator set by unplugging non-
essential appliances.
Contact an authorized Kohler dealer for service.
Reset the circuit breaker (located in controller's service
access area). Contact an authorized dealer for service if
breaker trips repeatedly.
Reduce the load by unplugging non-essential appliances.
Check for oil leaks. Check the oil level and add oil if
necessary.
Check fuel valves and fuel supply.
Check enclosure thermostat and reset if tripped. Check
and clear air inlets and exhaust outlets.
Reset the controller. If the overcrank fault occurs again,
contact an authorized Kohler dealer.
Reset the auxiliary winding circuit breaker. Contact an
authorized dealer for service if breaker trips repeatedly.
Verify that it is safe to start the engine and apply load.
Then reset the stop switch or engine shutdown switch.
Check the controller display for fault messages. Correct
the fault condition and reset the controller.
Press the RUN button to start the engine or press AUTO to
allow remote starting.
Check the remote switch position. Check OnCue
Check for obstructed air inlets and outlets. Reset the
thermostat.
Contact an authorized Kohler dealer.
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Plus.
TP-7092 11/22