Fuel blockage
check low oil level sensor
SOURCE: onan 4000 start good runs only ten minutsand shuts down,starts up
First locate the oil pressure switch and see if you can bypass it,then see if it runs. If not check the fuel filter and fuel pump,make sure solonoid for fuel pump is kicking on.
SOURCE: Honda ems 4000 generator starts and runs great, but no power
At the controller, you need to see if it is actually sending electricity out of the Generator/Alternator, have a look where the leads from the power making unit mates, (Think of it as a motor in reverse) onto the board. There should be an AC Voltage there, then, work back, or out from there, trace the Voltage until it stops, thats the problem... Check the Breaker isn't tripped or faulty too.
SOURCE: Honda ems 4000 generator starts and runs great, but no power
The plunger is stuck where the governor rod which is spring attached to the frame is. If you locate the governor metal rod on the lower level of the unit. zrock it to a higher rpm as you would a car carburator from under the hood.
This will free the plunger and the green light will go on and your current meter will register 120 volts.
When you lay up the generator for quite some time it often sticks closed. With monthly start up you will no have this problem reoccurr.
SOURCE: I have a predator generator 4000 watts that starts but has no powere
check the circuit breaker
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