Download Engine Generator: 25S-8E1

3. Electric System
(2) Operating procedure
※This explains how the unit equipped with automatic power transfer is automatically started.
① Start the generator unit under the procedure of manual operation and adjust the frequency and
voltage rating.
② Turn the starter switch to “STOP” position and stop the engine.
③ Turn the circuit breaker of output terminal “ON” after the generator unit stopped when you use
the circuit breaker and single phase receptacle on the control panel.
④ Turn the operating selector switch to “AUTO” position on the control panel.
⑤ The unit will be under stand by and start once the start signal is sensed.
(3) Function
● When start signal activates in stand-by conditions, it starts the generator engine after preheating.
When stop signal activates, it continues 10 seconds cooling down operation to stop engine and the
machine is placed again in stand-by conditions.
SG13071E
● In order to start generator unit surely, cranking operation is repeated after it stops for 8 seconds,
in case that engine will not start even after cranking operation for 10 seconds. In case the engine
will not start even after cranking operation is repeated three times, trouble signal goes on
showing difficulty in starting.
● In case that the lamp “OVERCRANK” goes on, switch off power supply once, pressing the button
“EMERGENCY STOP ”. Then after releasing the button “EMERGENCY STOP”, get rid of the
cause of trouble why engine would not start.
● Try no load operation 5 to 10 minutes once a week.
SG13072E
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