Section 8: Troubleshooting; Generator Troubleshooting - Generac Power Systems 10 kW Owner's Manual

Section 8: Troubleshooting

Generator Troubleshooting

Problem Cause
Blown fuse.
Engine will not Loose, corroded, or faulty battery
crank cables.
Faulty starter contact.
Faulty starter motor.
Discharged battery.
No fuel.
High fuel pressure.
Fuel selector in wrong position.
Engine cranks
but will not
Faulty fuel solenoid (FS).
start
Harness/wiring issue.
Faulty spark plug(s).
Valve clearance out of adjustment. (If
applicable. See Specification section
in owner's manual.)
Plugged or damaged air cleaner.
Faulty spark plug(s).
Incorrect fuel pressure.
Engine starts
hard and runs
rough
Fuel selector in wrong position.
Valve clearance out of adjustment. (If
applicable. See Specification section
in owner's manual.)
Internal engine issue.
Installation Guidelines for 60 Hz Air-Cooled Generators
Correction
Correct short circuit condition by
replacing 7.5A fuse in generator control
panel. Contact an IASD if fuse continues
to blow.
Tighten, clean, or replace as necessary.*
Charge or replace battery.
Replenish fuel / turn on fuel shutoff
valve.
Check and adjust fuel pressure.
Set fuel conversion valve to correct
position and program controller for fuel
type, if necessary.
Contact an IASD for assistance.
Replace spark plug(s).
Inspect and adjust valve clearance.
Inspect and clean or replace air cleaner.
Replace spark plug(s).
Verify fuel pressure to fuel regulator is
10–12 in water column (2.49–2.99 kPa)
for LP, and 3.5–7.0 in water column
(0.87–1.74 kPa) for NG.
Set fuel conversion valve to correct
position and program controller for fuel
type, if necessary.
Inspect and adjust valve clearance.
Contact an IASD for assistance.
Troubleshooting
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