Troubleshooting/Quick Reference Guide
Owner’s Manual for Australian 3-Phase 50 Hz Air-Cooled Generator Sets
31
Section 5: Troubleshooting/Quick Reference Guide
Generator Set Troubleshooting
Problem
Cause
Correction
Engine will not
crank
Blown fuse.
Correct short circuit condition by replacing 7.5A fuse
in generator set control panel. Contact an IASD if
fuse continues to blow.
Loose, corroded, or faulty battery cables.
Tighten, clean, or replace as necessary. Contact an
IASD.
Faulty starter contact.
Faulty starter motor.
Discharged battery.
Charge or replace battery.
Engine cranks but
will not start
No fuel.
Replenish fuel / turn on fuel shutoff valve.
High fuel pressure.
Check and adjust fuel pressure.
Fuel selector in wrong position.
Set fuel conversion knob to correct position.
Faulty fuel solenoid (FS).
Contact an IASD.
Open Wire 14 from engine control board.
Faulty spark plug(s).
Clean; inspect spark plug gap; replace spark plug(s)
if necessary.
Valve clearance out of adjustment.
Reset valve clearance.
Engine starts hard
and runs rough
Air cleaner plugged or damaged.
Inspect and clean air cleaner.
Faulty spark plug(s).
Clean; inspect spark plug gap; replace spark plug(s)
if necessary.
Incorrect fuel pressure.
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.
Fuel selector in wrong position.
Set fuel conversion knob to correct position.
Valve(s) out of adjustment.
Adjust valve clearance.
Internal engine issue.
Contact an IASD.
Unit is set to OFF,
but the engine
continues to run
Controller wired incorrectly.
Contact an IASD.
Faulty control board.
No AC output from
generator set
Generator set MLCB (generator set disconnect) is
OFF (OPEN).
Set generator set MLCB (generator set disconnect)
to ON (CLOSED).
Generator set internal failure.
Contact an IASD.
Engine may be warming up. See
Check controller screen to verify status.
Summary of Contents for G0072190
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