47
Problem
Suspected cause
Action
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
1.Contact our distributor to repair
2. Contact our distributor to repair
3. Contact our distributor to repair
4. Check/Adjust fan belt
5. Check/Add coolant
6. Clean radiator core
Black smoke
comes out from Muffler
1. Air filter element is clogged
2. Fuel injection nozzle is defective
3. Improper fuel is used
1. Check/Change air filter element
2. Contact distributor or dealer for repair
3. Change to clean fuel
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
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
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
1. Contact distributor or dealer for repair
2. Contact distributor or dealer for repair
3. Correctly set the connection location to
the receptacle
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. Frequency is different
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. Set the specific frequency
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
Summary of Contents for DGK15FL
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Page 51: ...48 13 Generator Circuit Diagram ...
Page 52: ...49 14 Engine Electrical Circuit Diagram ...
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