Honda EU20i Owner's Manual page 31

Output and Overload Indicators
The Output indicator (green) will remain ON during normal operating
conditions.
If the generator is overloaded (see page
connected appliance, the output indicator light (green) will go OFF, the
overload indicator light (red) will go ON and current to the connected
appliance will be shut off.
Stop the engine if the Overload indicator (red) comes ON and
investigate the overload source.
Before connecting an appliance to the generator, check that it is in
good order, and that its electrical rating does not exceed that of the
generator. Then connect the power cord of the appliance, and start
the engine.
OVERLOAD INDICATOR
LIGHT (RED)
OUTPUT INDICATOR
LIGHT (GREEN)
When an electric motor is started, both the Overload indicator (red)
and the Output indicator (green) may go on simultaneously. This is
normal if the Overload indicator (red) goes off after about four (4)
seconds. If the Overload indicator (red) stays on, consult your Honda
generator dealer.
26 ), or if there is a short in the
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