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Follow the guidelines below, when performing any troubleshooting. If you cannot resolve
the problems by this method, contact our authorized distributor or our dealer to request the
repair.
Symptoms
Presumed Cause
Corrective Actions
Starter motor does not
start
1. Weak Battery
2. Dead Battery
1. Recharge Battery
2. Replace Battery
Engine does not start
1. Fuel Valve [CLOSE] position
2. Insufficient fuel
3. Fuel is contaminated by the
water or dust
1. Fuel Valve [OPEN] position
2. Replenish fuel
3. Drain water or clean fuel tank, fuel strainer
Engine starts, but stalls
immediately
1. Oil sensor activated
1. Replenish oil
Engine does not stop
1. Malfunction of Starter Switch
1. Stop the engine by turning Fuel Valve
[CLOSE] position, replace Starter Switch.
Welding arc is weak
1. Wrong setting of current
adjustment dial
2. Poor contacts of cables
3. Improper cable diameter
4. Improper connection to the
base material
5. Engine output is down
1. Turn the dial CLOCKWISE
2. Contact cables securely
3. Change cables according to [Selection
–
Welding Cable]
4. Contact securely
5. Keep 50% duty cycle and/or repair the
engine
Excessive welding arc
1. The wrong setting of current
adjustment dial
1. Turn the dial COUNTER-CLOCKWISE
No AC 110 V output
1. The AC output switch position
is [OFF]
2. The ELCB position is [OFF]
3. Display indicates [OC] or [OH]
1. Select the AC output switch to [ON] position
2. Select the ELCB to [ON] position
3. Stop and then restart the engine
AC 110 V output is weak
1. Wrong frequency
2. The current in the load
exceeds the rated current
1. Change the frequency to the correct one
2. Refer to the table of Output Limitation
Unable to activate
[Eco]Mode
1. The Idle Control switch
position is [HIGH]
1. Select the Idle Control switch to [ECO]
position
