Question about Generac Guardian Electrical Supplies

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I have a 16kW Generac Guardian Generator with a 200 amp house service RTS panel (installed 2007). Last night the power went out and the generator started but the unit did not switch to use generator

I replaced the governor (they call it a motor something) that is attached to the airbox late last year and have not used the generator since. Did I blow a fuse or cause a problem somewhere? Using Generac repair people is frustrating. I told the guy what the control panel was displaying which shows what is wrong but he refused to bring the part last year. He wanted me to pay for his time and mileage from across the state TWICE. I would have been happy to do it once if he would have carried the part listed as bad with.

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  • Stitch Dominick
    Stitch Dominick Nov 11, 2014

    Using manual also did not allow the generator to go online. It didn't make the THUNK it does when it switches.

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The problem with the repair service is another matter. Emergency generator and it's switch gear are there for emergency purposes. It has to be exercised periodically. The switch gear should have a toggle switch to simulate a power outage. the switch cuts power to the sensor sensing power from the utility company. This tells the switch gear that power was lost, start the engine and switch over to generator power. Run for a period where engine reached running temperature and switch back to stand by to shut down. Do this periodically, and be grateful the event was not a disaster. Think of your back up electrical system as the spare tire of your car and similar equipment and enjoy your investment. Good people brings you happiness, bad people brings you experience !.

Posted on Nov 26, 2014

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SOURCE: Generac 4456 does not start on power loss

I install and work on these everyday. If you hooked up the transfer switch you probable have a control wire wrong. check the utility power sense wire. That lets it no when to start in auto. it could be a relay or fuses. or a control board.

Posted on Jul 09, 2009

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SOURCE: Suddenly in power outage and engine starts auto., NO inside power

DO U HAV POWER FROM GEN ?

Posted on Sep 04, 2009

Testimonial: "Thank you for taking the time to respond. Much appreciated."

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SOURCE: 10kw Generac Guardian not cranking, shows rpm sense loss

Sounds like Generator mode switch should be "ON".

Posted on Sep 08, 2009

  • 1 Answer

SOURCE: When utility power goes out, the transfer switch doesn't transfer

Call an electrician.

Posted on Jan 23, 2010

SOURCE: Generac generator remote start

si tiene transfer automatico solo poner un swicht en hilo 1N para cortar senal de entrada al generador del utility power que sensa la presencia de voltage en caso de falta arranca el generador en forma de prueba

Posted on Jun 20, 2010

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