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Valsi Generator 7500W no output voltage

I have a Valsi 7500W generator which is not putting out any voltage. Can you still get anyone to work on these or get parts and manuals. I have been unable to find anyone with parts on the internet.

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If its a Generac could be the voltage regulator or control board. If you want to go inside then disconnect the avr (voltage regulator) from the field and put 12 volts to the field slip rings with a car battery. Watch Polarity.... Yu should get about 60-80 volts out of the 115 receptacle. Plug in a light bulb and see if it lights. If it does then the field and stator are probably ok and you need to look elseware. Make sure breakers and connections are ok from the stator and receptacle.

Posted on Jul 29, 2009

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Good Luck with that...but if engine runs and there is no output voltage, that generally means that the stator needs to serviced or replaced (likely as pricey as a new genny).

Posted on Mar 10, 2009

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You may only need to give it a good cleaning. Get some "Sea Foam" carbureator cleaner Homepage Sea Foam Sales Company Simply take the carb off and clean it thoroughly with the Sea Foam product and you probably won't need any parts. Also, be sure to add a fuel stabilizer to your fuel supply. "Stabil" is a good product for this.

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On Thursday last week I had 220 amp outlet being used and a 110 amp outlet being and overloaded the generator. It turned out to be the reset breakers failed to trip and blew the capacitor. The reset breakers I would suggest replacement after 7 years very easy to do on a 5500 Valsi generator 2010 model still running and now producing electric. And of course use only regular gas non Ethanol.

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You may have blown a capacitor in the generator. Someone who knows where to look for this, needs to troubleshoot and find the problem. Overloading comes from trying to use too many pieces of equipment/appliances at the same time. When powerful appliances are connected to the generator they draw a certain amount of basic amperage, but when they kick on to cycle a compressor in a refrigerator, air conditioner or furnace etc. the amperage draw can increase 50 percent or more, and if two or more kick on at the same time, the generator can not handle the extra amps required and something needs to stop the flow of amps by blowing an inexpensive part or risk a much more expensive repair. When there is a power failure and the generator is required, try to only use the most important appliances at one time or better still cycle them by unplugging some of them taking turns and then plugging others in as needed. The only other way to guarantee enough power is to get a much larger generator that can handle all of the amperage at one time.

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We have a Valsi 5500 watt generator that isn't putting enough voltage out to run everything in out small travel trailer. It runs the lights but doesnt push out enough voltage to carry the A/C, microwave,...


How long have you had this generator?
Has the generator worked on all of these loads before?
Model 5500 is a 5500 Watt generator which could easily be 5500 watts (Peak) and not continuous.

Your AC is an inductive load.
Your lights are resistive loads

An inductive load can cause issues when starting due to an increased current demand at start up that some generators cringe under. Do the lights flicker or are they stable? I'd say your diodes on your stator are working if you have light stability but you haven't provided nearly enough information for a detailed solution.

I'm sure you have enough voltage but you aren't getting enough current to run specific loads. How many watts is your AC? How many watts for your microwave? Both of these units demand a great deal of energy to run and when you place too much demand on your generator, it will choke it out and eventually, will cause damage to the generator. You may consider getting a beefier generator with a greater amount of wattage output.


Seeing these specs online and noting what you are trying to run, you have an undersized generator and need to get one that can produce a greater amount of running wattage (as well as peak wattage).

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Sometimes the voltage will be higher with absolutely NO load. Try a small load and see if it comes down. If not, then need a replacement AVR.

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