39
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. 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
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. 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
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
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
Pointer exceeds the
rated voltage
1. Voltage meter 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. Loads total exceeds the rated current
4. AVR protective device operation
1. Ask our distributor to repair
2. Balance the loads sharing
to each terminal
3. Decrease the loads to meet
the rated output
4. Replace AVR fuse
Cannot turn the
breaker to ON
1. The 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 DG50MK-P
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Page 43: ...40 13 Generator Circuit Diagram...
Page 44: ...41 14 Engine Electrical Circuit Diagram...
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