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Problem
Engine starts but
1. Fuel filter is clogged.
stalls immediately
2. Water is interfused in fuel line.
3. Air is interfused in fuel line.
4. Poor piping connection to external fuel tank.
5. Air filter element is clogged.
6. Lubricant oil is insufficient.
7. Emergency operation/Fault detection.
Engine oil pressure is
1. Lubricant oil is insufficient.
low
2. Oil filter is clogged.
3. Oil Pressure switch is defective.
4. Wrong oil is used.
Overheated
1. Engine thermostat is defective.
2. Water temp sensor is defective.
3. Controller is defective.
4. Fan belt tension is weak.
5. Coolant is insufficient.
6. Radiator core is clogged.
Black smoke comes
1. Air filter element is clogged.
out from muffler
2. Fuel injection nozzle is defective.
3. Improper fuel is used.
White smoke comes
1. Too much or too little oil to cylinder.
out from muffler
2. Water is interfused in fuel line.
3. Fuel injection nozzle is defective.
4. Coolant temperature is too low.
5. Engine thermostat is defective.
Voltage value does
1. Controller is defective.
not change
2. AVR is defective.
3. Disconnected circuit, loose terminal or
4. Initial exciter is defective.
5. Alternator is defective.
6. AVR protective device operation.
The voltage does not
1. Controller is defective.
rise to the rated
2. AVR is defective.
voltage
3. Voltage regulator dial is defective.
4. Frequency is low.
The voltage value
1. Controller is defective.
exceeded the rated
2. AVR is defective.
voltage
3. Improper load cable connection.
The voltage drops
1. AVR is defective.
drastically when
2. Unbalanced loads sharing to each terminal.
connecting to load
3. The current of the used equipment exceeds
4. Over load.
5. AVR protective device operation.
6. Frequency selector is wrong setting.
Suspected cause
departed.
the rated current.
Loads total exceeds the rated current.
1. Clean/Change fuel filter.
2. Drain water in water
3. Extract the air.
4. Check piping connection.
5. Check/Change air filter
6. Supply lubricant oil.
7. Ask our distributor to repair.
1. Supply lubricant oil.
2. Change oil filter.
3. Ask our distributor to repair.
4. Change to proper kind and
1. Ask our distributor to repair.
2. Ask our distributor to repair.
3. Ask our distributor to repair.
4. Check/Adjust fan belt.
5. Check/Supply coolant.
6. Clean radiator core.
1. Check/Change air filter
2. Ask our distributor to repair.
3.Change to clean fuel.
1. Ask our distributor to repair.
2. Drain water in water
3. Ask our distributor to repair.
4. Warm-up driving is needed.
5. Ask our distributor to repair.
1. Ask our distributor to repair.
2. Ask our distributor to repair.
3. Ask our distributor to repair.
4. Ask our distributor to repair.
5. Ask our distributor to repair.
6. Replace AVR fuse.
1. Ask our distributor to repair.
2. Ask our distributor to repair.
3. Ask our distributor to repair.
4. Ask our distributor to repair.
1. Ask our distributor to repair.
2. Ask our distributor to repair.
3. Correctly set the connection
1. Ask our distributor to repair.
2. Balance the loads sharing to
3. Change to a device with an
4. Decrease the loads to meet
5. Replace AVR fuse.
6. Set to properfrequency.
43
Action
separator, fuel filter or fuel
tank.
element.
viscosity oil.
element.
separator, fuel filter or fuel
tank.
location to the output
terminal.
each terminal.
available capacity.
the rated output.
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