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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.Mistake of connecting with external tank
5. Air filter element is clogged
6. Lubricant oil is insufficient
7. Emergency operation/Fault detection
Engine oil pressure
1. Lubricant oil is insufficient
is low
2. Oil filter is clogged
3. Oil Pressure switch is defective
4. Oil pressure meter is defective
5.
Overheated
1. Engine thermostat is defective
2. Water temp sensor is defective
3. Water temp meter is defective
4. Fan belt tension is weak
5. Coolant is insufficient
6. Radiator core is clogged
Black smoke
1. Air filter element is clogged
comes out from Muffler
2. Fuel injection nozzle is defective
3. Improper fuel is used
White smoke
1. Too much or too little oil to cylinder
comes out from
2. Water is interfused in fuel line
Muffler
3. Fuel injection nozzle is defective
4. Coolant temperature is too low
5. Engine thermostat is defective
Pointer (hand) does not
1. Voltage meter is defective
move in voltage meter
2. AVR is defective
3. Disconnected circuit,loose terminal or
4. Initial exciter is defective
5. Alternator is defective
6. AVR protective device operation
Pointer (hand)
1. Voltage meter is defective
does not goes up
2. AVR is defective
to the rated
3. Voltage regulator dial is defective
voltage
Pointer exceeds
1. Voltage meter is defective
the rated voltage
2. AVR is defective
3. Improper load cable connection
4.Voltage switch is set to 480 V
Suspected cause
Wrong oil is used
departed
1. Clean/Replace fuel filter
2. Drain water in fuel filter or fuel tank
3. Extract the air
4.Check fuel piping
5. Check/Replace air filter element
6. Add lubricant oil
7. Contact distributor or dealer for repair
1. Add lubricant oil
2. Replace oil filter
3. Contact distributor or dealer for repair
4. Contact distributor or dealer for repair
5. Change to proper kind and viscosity oil
1. Contact distributor or dealer for repair
2. Contact distributor or dealer for repair
3. Contact distributor or dealer for repair
4. Check/Adjust fan belt
5. Check/Add coolant
6. Clean radiator core
1. Check/Change air filter element
2. Contact distributor or dealer for repair
3. Change to clean fuel
1. Contact distributor or dealer for repair
2. Drain water in fuel filter or fuel tank
3. Contact distributor or dealer for repair
4. Warm-up driving is needed
5. Contact distributor or dealer for repair
1. Contact distributor or dealer for repair
2. Contact distributor or dealer for repair
3. Contact distributor or dealer for repair
4. Contact distributor or dealer for repair
5. Contact distributor or dealer for repair
6. Replace AVR fuse
1. Contact distributor or dealer for repair
2. Contact distributor or dealer for repair
3. Contact distributor or dealer for repair
1. Contact distributor or dealer for repair
2. Contact distributor or dealer for repair
3. Correctly set the connection location to
the receptacle
4. Set the voltage switch to 240 V
47
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