35
T
T
T
T
R
R
R
R
O
O
O
O
U
U
U
U
B
B
B
B
L
L
L
L
E
E
E
E
S
S
S
S
H
H
H
H
O
O
O
O
O
O
O
O
T
T
T
T
II
II
N
N
N
N
G
G
G
G
SYMPTOM
POSSIBLE CAUSE
CORRECTIVE ACTION
Low generator output voltage
Low engine speed
• Verify correct engine speed. Remove excess
loads or adjust speed as required.
Excitation capacitor failure
• Contact a qualified generator dealer for service
assistance.
Generator diode or varistor failure
• Contact a qualified generator dealer for service
assistance.
Overspeed light stays lit
Shutdown due to high engine
speed
• Verify correct engine speed setting. Adjust
engine speed as required.
Underspeed light stays lit
Shutdown due to low engine speed • Reduce loads connected to generator
• Check engine speed setting at no load. Adjust
as required.
Overcrank light stays lit
Failure to start
• See "Engine cranks without starting"
Not In Auto light stays lit
Generator not set for unattended
operation
• Place mode switch into AUTO position if
automatic function is required
Low oil pressure light stays lit
Shutdown due to low engine oil
pressure
• Check engine oil level.
• Verify correct type of engine oil for ambient
temperature conditions
Low battery light stays lit
Low battery
• Test battery. Replace as necessary.
• Ensure charger is plugged into GFCI receptacle
• Check for tripped GFCI receptacle. Reset if
required.
• Check for tripped breaker in branch circuit
supplying GFCI. Reset if required.
• Check all charger cable connections for
cleanness and tightness.
• Check battery charger inline fuse
• Check charger lights to verify correct operation.
See Table A, Page 29.
Blown charger circuit fuse
• Check engine alternator fuse
High engine temperature light
stays lit
Shutdown due to high engine
temperature
• Allow engine to cool, then restart
• Decrease loads on generator
• Check enclosure openings for blockage
• Check oil cooler for blockage
