Installation Guide

Troubleshooting
Installation Guidelines for 60 Hz Air-Cooled Generators 43
Section 8: Troubleshooting
Generator Troubleshooting
Problem Cause Correction
Engine will not
crank
Blown fuse.
Correct short circuit condition by replacing 7.5A fuse
in generator control panel. Contact an IASD if fuse
continues to blow.
Loose, corroded, or faulty battery cables.
Tighten, clean, or replace as necessary.*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 valve to correct position and pro-
gram controller for fuel type, if necessary.
Faulty fuel solenoid (FS).
Contact an IASD for assistance.
Harness/wiring issue.
Faulty spark plug(s).
Clean; inspect spark plug gap; replace spark plug(s) if
necessary.
Valve clearance out of adjustment. (If
applicable. See Specification section in
owner’s manual.)
Inspect and adjust valve clearance.
Engine starts hard
and runs rough
Plugged or damaged air cleaner. Inspect and clean or replace air cleaner.
Faulty spark plug(s).
Clean; inspect spark plug gap; replace spark plug(s) if
necessary.
Incorrect fuel pressure.
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.
Fuel selector in wrong position.
Set fuel conversion valve to correct position and pro-
gram controller for fuel type, if necessary.
Valve clearance out of adjustment. (If
applicable. See Specification section in
owner’s manual.)
Inspect and adjust valve clearance.
Internal engine issue. Contact an IASD for assistance.
Unit is set to OFF,
but engine contin-
ues to run
Controller wired incorrectly.
Contact an IASD for assistance.
Faulty control board.
No AC output from
generator
Generator MLCB (generator disconnect)
is OFF (OPEN).
Set generator MLCB (generator disconnect) to ON
(CLOSED).
Generator internal failure. Contact an IASD for assistance.
Engine may be warming up. See Cold
Smart Start.
Check controller screen to verify status.