Troubleshooting - DUROMAX XP4400EH Owner's Manual

Problem
Engine will not start
Engine runs, but there is no
electrical output.
Generator runs, but does not
support all electrical devices
connected.

Troubleshooting

Cause
Engine Switch is "Off"
Fuel Valve is "Closed"
Choke is open.
Engine is out of fuel.
Fuel is old or
contaminated.
Spark Plug is dirty.
Spark Plug is broken.
Generator is not level.
Oil is low.
Circuit Breaker is "Off"
Wiring connection is bad.
Device connected to
generator is
Malfunctioning.
Generator is overloaded.
Device connected to
generator is bad.
Air Cleaner is Dirty.
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Solution
Set Engine Switch to "Run"
Turn Fuel Valve to "Open"
Close the Choke
Add Fuel
Change Fuel
Clean Spark Plug
Replace Spark Plug
Move generator to a level
surface
Add/Change oil
Turn "On" Circuit Breaker
Replace Extension Cord(s)
Disconnect Malfunctioning
Device
Disconnect 1 or more items
to reduce the load
Disconnect Malfunctioning
Device
Clean/Replace the Air Filter