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TT
TT
RR
RR
OO
OO
UU
UU
BB
BB
LL
LL
EE
EE
SS
SS
HH
HH
OO
OO
OO
OO
TT
TT
II
II
NN
NN
GG
GG
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