Honda EU10i Owner's Manual page 35

5.Switch on the equipment to be used.
The Output indicator (green) will light.
In case of normal operation
OUTPUT INDICATOR (GREEN)
• In case of overload operation (refer to page 29) or when trouble
occurs for the equipment being used, the Output indicator (green) will
go out, the Overload indicator (red) will light continuously, and no
power will be put out.
At this time, the engine will not stop, so that the engine must be
stopped by setting the respective engine switch to STOP.
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In case of overload operation or short-circuit
OVERLOAD INDICATOR (RED)