41
Inspect this generator when operation is poor to determine the fault/malfunction.
Request the authorized distributor where the generator was purchased to perform
maintenance if you cannot find any faults/malfunctions during inspection.
Problem
Suspected cause
Action
Starter motor
does not drive
or speed is low
1. Battery output is weak
2. Battery is deteriorated
3. Battery terminal is OFF or loose
4. Battery terminal is corroded
5. Starter switch or relay is defective
6. Starter motor is defective
7. ECU (Engine Controller) is defective
1. Check battery fluid or charge
2. Replace Battery
3. Fix/Tighten terminal
4. Clean terminal
5. Ask our distributor to repair
6. Ask our distributor to repair
7. Ask our distributor to repair
Starter motor
drives but
engine does
not start
1. Fuel is insufficient
2. Fuel filter is clogged
3. Gauze filter is clogged
4. Water is interfused in fuel line
5. Air is interfused in fuel line
6. Fuel pump defective
7. Emergency operation/Fault detection
1. Add fuel
2. Clean/Replace fuel filter
3. Clean/Replace gauze filter
4. Drain water in water separator, fuel filter
or fuel tank
5. Extract the air
6-1. Check/Replace fuse
6-2. Check/Replace fuel pump
7. Ask our distributor to repair
E
n
g
in
e
d
o
e
s
n
o
t
s
ta
rt
<Ambient
temperature
falls down
below zero>
1. Fuel is frozen
2. Water in fuel line is frozen
3. Pre-heater is defective
1. Use winterized fuel
2. Drain water in fuel line
3. Ask our distributor to repair
Engine starts but
stalls immediately
1. Fuel filter is clogged
2. Gauze filter is clogged
3. Water is interfused in fuel line
4. Air is interfused in fuel line
5. Air filter element is clogged
6. Lubricant oil is insufficient
7. Emergency operation/Fault detection
1. Clean/Replace fuel filter
2. Clean/Replace gauze filter
3. Drain water in water separator, fuel filter
or fuel tank
4. Extract the air
5. Check/Replace air filter element
6. Add lubricant oil
7. Ask our distributor to repair
Engine oil pressure
is low
1. Lubricant oil is insufficient
2. Oil filter is clogged
3. Oil Pressure switch is defective
4. Oil pressure meter is defective
5. Wrong oil is used
1. Add lubricant oil
2. Replace oil filter
3. Ask our distributor to repair
4. Ask our distributor to repair
5. Change to proper kind and viscosity oil
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/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. Ask our distributor to repair
3. Change to clean fuel
Summary of Contents for DGM60MK
Page 2: ......
Page 46: ...43 13 Generator Circuit Diagram...
Page 47: ...44 14 Engine Electrical Circuit Diagram...
Page 48: ...2011...