Product Manual

Owner’s Manual for Stationary Diesel Generators 39
Troubleshooting
Section 6: Troubleshooting
Engine Troubleshooting
Problem Cause Correction
Engine will not crank
Blown fuse.
Replace 7.5 amp fuse in generator control
panel. Correct short circuit condition if fuse
blows again.
Loose, corroded, or faulty battery
cables.
Tighten, clean or replace as necessary. Con-
tact 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 valve.
Faulty fuel solenoid. Contact an IASD.
Open F1 5 amp fuse.
Replace F1 5 amp fuse if fuse blows again.
Contact an IASD.
Faulty fuel system. Contact an IASD.
No fuel to pump. Prime fuel system. Contact an IASD.
Engine starts hard and
runs rough
Air cleaner plugged or damaged. Check/replace air cleaner.
Unit is set to OFF, but
engine continues to run
Faulty keypad.
Contact an IASD.
Faulty control board.
No AC output from
generator
MLCB is OFF (OPEN). Reset circuit breaker to ON (CLOSED).
Generator internal fault. Contact an IASD.
No transfer to standby after
utility source failure
Faulty transfer switch coil.
Contact an IASD.
Faulty transfer relay.
Transfer relay circuit open.
Faulty control logic board.
Unit consumes large
amounts of oil
Excessive engine oil. Adjust oil to correct level.
Faulty engine breather. Contact an IASD.
Incorrect oil type or viscosity. See Engine Oil Recommendations.
Damaged gasket, seal, or hose. Inspect for oil leaks.