40
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. 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
Needle indication
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
Needle indication
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
Needle indication
exceeds the rated
voltage
1. Voltage meter is defective
2. AVR is defective
3. Improper load cable connection
1. Ask our distributor to repair
2. Ask our distributor to repair
3. Correctly set the connection
location to the output
terminal
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
Loads total exceeds the rated current
4. Over load
5. AVR protective device operation
6. Frequency selector is wrong setting
1. Ask our distributor to 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
6. Set to properfrequency
Cannot turn the
breaker to
“ON”
position
1. The breaker positions at between
“ON” and “OFF”
2. Short circuit on the load
3. Earth Leakage Relay operates
1. Once turning the lever to
“OFF”, turn it to “ON”
2. Check the load circuit
3. Repair the earth leakage
location
The breaker trips to
“OFF”
position at
light load
1.
Current monitor setting is incorrect.
1. Ask our distributor to repair
The overload
pre-caution lamp
flashes at 80% or
less of the rated
output.
1.
Current monitor setting is incorrect.
1. Ask our distributor to repair
The overload
pre-caution lamp
does not flashes at
80% or more of the
rated output.
1.
Current monitor setting is not correct.
1. Ask our distributor to repair
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