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9. Methods of Unexpected Problem
Generator can't start
Cause
Remedy
Check the power
control system
Bad connections of
current line
Check each connector
Battery power is low
1. Charge the battery
2. Change the battery
Check fuel and
machine oil
Without fuel
Add fuel
Without oil
Add oil
Fuel deterioration or
contain deteriorated fuel
Drain the fuel tank and
add fresh fuel
Check cylinder
compression
Piston ring worn or rings
in wrong place
Change and adjust
piston ring
Valve clearance is not
correct
Adjust the clearance as
per operational manual
Bolts of cylinder head
are not tight
Re-tight the bolt
Check fuel supply
system
Fuel oil or switch of fuel
oil plugs
Replace or repair
defective parts
No voltage output
Possible cause
Remedy
Check AC circuit
breaker
AC circuit breaker is
not open
Turn the AC circuit
breaker to “ON” position
AC circuit breaker
is broken
Replace the AC
circuit breaker
Check AVR
AVR is broken
Replace AVR
Send generator to
repair center
Motor failure, circuit
failure
Replace or repair
defective parts
