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43
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
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
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. Ask our distributor to 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. Ask our distributor to repair
2. Drain water in water
separator, fuel filter or fuel
tank
3. Ask our distributor to repair
4. Warm-up driving is needed
5. Ask our distributor to repair
Voltage value does not change 1. Controller is defective
2. AVR is defective
3. Disconnected circuit, loose
terminal or departed
4. Initial exciter is defective
5. Alternator is defective
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
The voltage does not rise to
the rated voltage
1. Controller is defective
2. AVR is defective
3. Voltage regulator dial
is
defective
4. Frequency is low
1. Ask our distributor to repair
2. Ask our distributor to repair
3. Ask our distributor to repair
4. Ask our distributor to repair
The voltage value exceed the
rated voltage
1. Controller is defective
2. AVR is defective
1. Ask our distributor to repair
2. Ask our distributor to repair
The voltage drops drastically
when connecting to load
1. AVR is defective
2. Unbalanced loads sharing to
each terminal
3. Wrong frequency is used
4. Loads total exceeds the rated
current
1. Ask our distributor to repair
2. Balance the loads sharing to
each terminal
3. Set the switch to the load
frequency
4. Decrease the loads to meet
the rated output
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 DGA12DM
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Page 49: ...45 13 Generator Circuit Diagram ...
Page 50: ...46 14 Engine Circuit Diagram ...
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