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2. Make sure that the engine warning lamps is extinguished. If alight, stop the engine, check the
item for which it is alight and eliminate the cause.
• Check the engine indicator for normal readings.
3. Check whether the frequency meter read as shown below or not.
Frequency
50-Hz operation 52.5 Hz
• Check the voltmeter indication and, when the voltage is deviated from the rated voltage,
please contact your nearest Distributor.
4. Check the voltmeter indication and, if required, adjust with the voltage regulator knob.
Turning clockwise increases the voltage and vice versa.
5. When three-phase voltage is supplied, switch the three-phase circuit breaker to ON.
With single-phase voltage, switch three-phase and single-phase circuit breakers to ON.
6. Test the earth leakage relay for operation. Testing the operation.
1) Press the test button of the earth leakage relay.
2) Normally, the earth leakage relay red lamp lights up and the circuit breaker operates.
3) Press the reset button of the earth leakage relay. Switch the circuit breakers to OFF and then
to ON.
A tripped earth leakage relay is kept tripped until the reset button is pressed or the generator is
suspended.
7. Switch on the load and check the frequency meter and voltmeter once more.
Adjust voltage if necessary.
Frequency (3-phase) Voltage
50-Hz operation 50 Hz 380~415V
8. After starting, close the rear frame door. During the operation, keep all the doors closed.
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