
58
Problem
Suspected cause
Action
White smoke
comes out from
Muffler
1. Too much or too little oil to cylinder
2. Water is interfused in fuel line
3. Fuel injection nozzle is defective
4. Coolant temperature is too low
5. Engine thermostat is defective
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
Pointer (hand) does not
move in voltage meter
1. Voltage meter is defective
2. AVR is defective
3. Disconnected circuit, loose terminal or
departed
4. Initial exciter is defective
5. Alternator is defective
6. AVR protective device operation
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
Pointer (hand)
does not goes up
to the rated
voltage
1. Voltage meter is defective
2. AVR is defective
3. Voltage regulator dial is defective
1. Contact distributor or dealer for repair
2. Contact distributor or dealer for repair
3. Contact distributor or dealer for repair
Pointer exceeds
the rated voltage
1. Voltage meter is defective
2. AVR is defective
3. Improper load cable connection
4.Voltage switch is set to 480 V
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
The voltage drops
drastically when
connecting to load
1. AVR is defective
2. Unbalanced loads sharing to each
terminal
3. The current of the used equipment
exceeds the rated current
4. Over load
5. AVR protective device operation
1. Contact distributor or dealer for repair
2. Balance the loads sharing to each
terminal
3. Change to a device with an available
capacity
4. Decrease the loads to meet the rated
output
5. Replace AVR fuse
Cannot turn the
breaker to ON
1. The Main breaker positions at between
ON and OFF
2. Short circuit on the load
1. Once turning the lever to OFF, turn it to
ON
2. Check the load circuit
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