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3.7 Smart throttle doesn’t work with zero load, engine speed doesn’t increase with smart
throttle on and load connected.
3.8 No or low AC output
Check the AC output
Perform the generato
troubleshooting following the
instruction of “No or low AC output”
Abnormal
Normal
Check the throttle control motor
Replace the throttle control motor
Abnormal
Normal
Check the Smart switch
Check Smart switch connection wire
Repair or replace the wire harness
Abnormal
Normal
Normal
Replace the smart switch
Abnormal
Replace the inverter unit
Is the overload indicator light ON?
Disconnect the load, and restart the
engine
ON
OFF
Is the engine speed normal?
Smart switch
ON: 3200±100rpm
OFF:4300±100rpm
Perform the throttle control system
test
Abnormal
Normal
Stop the engine and check the AC
receptacle
Replace the AC receptacle
Abnormal
Normal
Disconnect the 6P connector on inverte
unit, pull the recoil starter with force and
measure the AC voltage between the
black terminal and white terminal.
120V type:
Black-Black: >30V
White-White: >1V
1. Check and repair stator wire
harness or replace stator
2. Rotor inner magnetism
decreases, replace the rotor
Abnormal
Normal
Replace the inverter unit