6.5 Troubleshooting

Figure 6-2 contains generator set troubleshooting, diagnostic, and repair information. Check for loose connections before replacing parts.

Problem

Possible Cause

Corrective Action

 

 

 

Controller

Backlight turns off after about 1 minute with no

Backlight will turn on when a button is pressed or the

display

activity.

generator set starts.

backlight is off.

 

 

 

 

 

Controller

Low or no battery voltage.

Check connections.

display is off.

 

Check generator set battery. See Figure 6-2.

 

 

 

The generator

Battery weak or dead.

Recharge or replace the battery.

set does not

 

 

Battery connections reversed or poor.

Check the connections.

crank.

 

 

Fault shutdown.

Check the controller display for fault messages. See

 

 

 

Section 2.5. Correct the fault condition and reset the

 

 

controller.

 

 

 

 

Generator set in the OFF mode.

Press the RUN button to start the engine or press AUTO

 

 

to allow remote starting.

 

 

 

The generator

Air cleaner clogged.

Clean and/or replace the air cleaner.

set cranks but

 

 

Battery weak or dead.

Recharge or replace the battery.

does not start,

 

 

Battery connection poor.

Clean and tighten the battery connections.

starts hard,

 

 

lacks power, or

Spark plug wire connection loose.

Check the spark plug wires.

operates

 

 

Low oil pressure shutdown.

Check for oil leaks. Check the oil level and add oil if

erratically.

 

necessary.

 

 

 

 

 

 

Fuel pressure insufficient.

Check the fuel supply and valves.

 

 

 

 

Engine malfunction.

Contact an authorized Kohler distributor/dealer.

 

 

 

No AC output.

Line circuit breaker in the OFF position.

Place the circuit breaker in the ON position.

 

 

 

 

Line circuit breaker tripping because of

Reduce the load on the generator set.

 

overload.

 

 

 

 

 

Line circuit breaker tripping because of short

Contact an authorized Kohler distributor/dealer for

 

circuit.

service.

 

 

 

 

Auxiliary winding circuit breaker tripped.

Reset the circuit breaker (located in controller’s service

 

 

access area). Contact an authorized Kohler

 

 

distributor/dealer for service if breaker trips repeatedly.

 

 

 

Low output or

Generator set overloaded.

Reduce the load.

excessive drop

 

 

in voltage.

 

 

 

 

 

Generator set

Low oil pressure shutdown.

Check for oil leaks. Check the oil level and add oil if

stops suddenly.

 

necessary.

 

 

 

 

Out of fuel.

Check fuel supply.

 

 

 

 

Overcrank shutdown.

Reset the controller. If the overcrank fault occurs again,

 

 

contact an authorized Kohler distributor/dealer.

 

 

 

 

Auxiliary winding circuit breaker tripped.

Reset the circuit breaker (located in controller’s service

 

 

access area). Contact an authorized Kohler

 

 

distributor/dealer for service if breaker trips repeatedly.

 

 

 

 

Fault shutdown.

Check the controller display for fault messages. See

 

 

Section 2.5. Correct the fault condition and reset the

 

 

controller.

 

 

 

 

Generator set in the OFF mode.

Press the RUN button to start the engine or press AUTO

 

 

to allow remote starting.

 

 

 

 

Remote stop command received from a remote

Check the remote switch position. Check OnCue.

 

switch, ATS, or OnCue.

 

 

 

 

 

Engine malfunction.

Contact an authorized Kohler distributor/dealer.

Figure 6-2 General Troubleshooting Chart

68 Section 6 Troubleshooting

TP-6804 12/11

Page 68
Image 68
Kohler 14/20RESAL manual General Troubleshooting Chart

14/20RESAL, 14/20RESA specifications

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