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Symptoms Possible 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 lever to CLOSE
2. Insufficient Fuel
3. Water or contaminants in fuel
4. Fuse burnt
1. Fuel lever to OPEN
2. Replenish fuel
3. Drain water or clean fuel tank and
fuel strainer
4. Repair
Engine starts, but stalls
immediately
1. Insufficient oil
2.High Water Temperature,
Insufficient coolant/water
3. Unable to charge
1. Replenish oil
2. Replenish coolant/water
3. Repair
Welding Arc is weak 1. Output selector switch positions
to Eco or Dual
2. Frequency Switch is to 50Hz
3. Wrong current adjustment dial
position
4. Poor contact of cables
5. Improper Cable Diameter
6. Poor Contact to material
7. Dual Use
8. Engine output is down
9. Exceeding Duty Cycle (the
warning lamp blinks)
1. Turn to SINGLE
2. Turn to 60Hz
3. Turn the dial clockwise
4. Connect securely
5. Change cables according to
Selection – Welding Cable
6. Connect securely
7. Stop using AC Power
8. Keep 60% duty cycle
9. Wait until the equipment cools down
(the lamp to OFF)
Excessive Welding Arc 1. Output selector switch is to
SINGLE
2. Wrong current adjustment dial
position
1. Turn to ECO or DUAL
2. Turn the dial
counterclockwise
No AC Output 1. The breaker (3-P or 1-P)
positions to OFF
2. Output selector switch
positions to ECO
1. Turn to ON
2. Turn to SINGLE
or DUAL
AC Output is Weak 1. Wrong Frequency
2. The power consumption of the
load exceeds the rated output
3. The rated current of the load
exceeds the rated output
4. Dual Use
1. Change to the load
frequency
2. Correspond the frequency
of the lever to the bus bars
3. Adjust according to
OUTPUT LIMITATION
4. Stop welding
Slow-Down does not
activate
1. Welding cables short circuit
2. The power consumption of the
load is 0.5A or below
1. Repair the short circuit
2. Turn the slow-down switch to
OFF
Engine does not stop 1. Stop Solenoid disorder
1.Turn the fuel lever to CLOSE to
stop and repair
Black and white smoke
exhaust from muffler
successively
1. Overloaded use 1. Keep the duty cycle
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