Generac Power Systems RG10090 Owner's Manual page 41

Section 6: Troubleshooting and Storage
Engine Troubleshooting
Problem
Engine does not crank
Engine cranks but will not
start
Engine starts hard and
runs rough
Unit is set to OFF, but en-
gine continues to run
No AC output from
generator
No transfer to standby
after utility source failure
Unit consumes large
amounts of oil
Spark-Ignited Stationary Generators Owner's Manual
Cause
Fuse blown.
Loose, corroded, or faulty battery cables.
Faulty starter contact.
Faulty starter motor.
Discharged battery.
Out of LP fuel.
Faulty fuel solenoid.
Open F1 7.5 amp fuse.
Open F2 15 amp fuse.
Faulty fuel system.
No fuel supply.
Air cleaner plugged or damaged.
Faulty keypad.
Faulty control board.
Generator MLCB (generator disconnect) is OFF
(OPEN).
Generator internal failure.
Faulty transfer switch coil.
Faulty transfer relay.
Transfer relay circuit open.
Faulty control logic board.
Engine over filled with oil.
Faulty engine breather.
Incorrect oil type or viscosity.
Damaged gasket, seal, or hose.
Troubleshooting and Storage
Correction
Replace 7.5 amp fuse in generator control panel.
Correct short circuit condition if fuse blows again.
Tighten, clean, or replace as necessary. Contact
an IASD.
Charge or replace battery.
Replenish LP fuel. Turn on fuel shutoff valve.
Contact an IASD.
Replace F1 7.5 amp fuse if fuse blows again.
Contact an IASD.
Replace F2 15 amp fuse if fuse blows again.
Contact an IASD.
Contact an IASD.
Turn on fuel supply. Contact an IASD.
Inspect/replace air cleaner.
Contact an IASD.
Set generator MLCB (generator disconnect) to
ON (CLOSED).
Contact an IASD.
Contact an IASD.
Adjust oil to correct level.
Contact an IASD.
Engine Oil Recommendations
See
Inspect for oil leaks.
.
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