Honda EU70is Manuel De L'utilisateur page 46

OPERATION
If the generators are overloaded (see page 45), or if there is a short
circuit in a connected appliance, the OVERLOAD ALARM indicators
(red) will come ON. The OVERLOAD ALARM indicators (red) will stay
ON, and after about five seconds, current to the connected
appliance(s) will shut off, and the OUTPUT indicators (green) will go
OFF. Stop both engines and investigate the problem.
Determine if the cause is a short circuit in a connected appliance or an
overload. Correct the problem and restart the generators.
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