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Section 5: Troubleshooting/Quick Reference Guide
Generator Set Troubleshooting
Problem
Cause
Blown fuse.
Loose, corroded, or faulty battery cables.
Engine will not
crank
Faulty starter contact.
Faulty starter motor.
Discharged battery.
No fuel.
High fuel pressure.
Fuel selector in wrong position.
Engine cranks but
Faulty fuel solenoid (FS).
will not start
Open Wire 14 from engine control board.
Faulty spark plug(s).
Valve clearance out of adjustment.
Air cleaner plugged or damaged.
Faulty spark plug(s).
Engine starts hard
Incorrect fuel pressure.
and runs rough
Fuel selector in wrong position.
Valve(s) out of adjustment.
Internal engine issue.
Unit is set to OFF,
Controller wired incorrectly.
but the engine
Faulty control board.
continues to run
Generator set MLCB (generator set disconnect) is
OFF (OPEN).
No AC output from
generator set
Generator set internal failure.
Engine may be warming up. See
Owner's Manual for Australian 50 Hz Air-Cooled Generators
Correction
Correct short circuit condition by replacing 7.5A fuse
in generator set control panel. Contact an IASD if
fuse continues to blow.
Tighten, clean, or replace as necessary. Contact an
IASD.
Charge or replace battery.
Replenish fuel / turn on fuel shutoff valve.
Check and adjust fuel pressure.
Set fuel conversion knob to correct position.
Contact an IASD.
Clean; inspect spark plug gap; replace spark plug(s)
if necessary.
Reset valve clearance.
Inspect and clean air cleaner.
Clean; inspect spark plug gap; replace spark plug(s)
if necessary.
Verify fuel pressure to regulator is 2.49–2.99 kPa
(10–12 in water column) for LP, and 0.87–1.74 kPa
(3.5–7.0 in water column) for NG.
Set fuel conversion knob to correct position.
Adjust valve clearance.
Contact an IASD.
Contact an IASD.
Set generator set MLCB (generator set disconnect)
to ON (CLOSED).
Contact an IASD.
Cold Smart
Start.
Check controller screen to verify status.
Troubleshooting/Quick Reference Guide
31
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